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C2 noun /ˈɒbsɪkwi/

obsequy

Begräbnisritus
Meaning
A funeral rite, usually used in plural form obsequies.
Example
The village gathered for the obsequy of their beloved teacher.
Das Dorf versammelte sich für das Begräbnisritus ihres geliebten Lehrers.
C1 adjective /ˌɑːpərˈtuːn/

opportune

günstiger Moment
Meaning
Happening at a suitable or convenient time.
Example
She arrived at an opportune moment to help.
Sie kam zu einem günstigen Moment, um zu helfen.
B2 adjective /ˈaʊtˌɡoʊɪŋ/

outgoing

gesellig
Meaning
Friendly and sociable; inclined to mix with others.
Example
He is an outgoing person who loves meeting new people.
Er ist eine gesellige Person, die es liebt, neue Leute zu treffen.
B2 noun /ˈaʊt.breɪk/

Out-break

Ausbruch
Meaning
a sudden occurrence or eruption of something, especially disease or violence
Example
The outbreak of flu affected many students in the school.
Der Ausbruch der Grippe hat viele Schüler in der Schule betroffen.
C1 verb /əˈfɪʃieɪt/

officiate

leiten
Meaning
To perform official duties, especially in a ceremony or as a referee.
Example
The priest will officiate the wedding ceremony.
Der Priester wird die Hochzeitszeremonie leiten.
C1 adjective /əˈbliːk/

Oblique

schräg; diagonal; indirekt oder ausweichend
Meaning
slanting; diagonal; indirect or evasive
Example
The artist drew an oblique line across the canvas.
Der Künstler zog eine schräge Linie über die Leinwand.
B2 noun /wʌn θɜːd/

one-third

ein Drittel
Meaning
one part of something that is divided into three equal parts
Example
One-third of the class was absent today.
Ein Drittel der Klasse war heute abwesend.
C1 noun /ˈɔːrθədɑːksi/

orthodoxy

Orthodoxie
Meaning
traditional or generally accepted beliefs and practices
Example
The religious leader defended the orthodoxy of the faith.
Der religiöse Führer verteidigte die Orthodoxie des Glaubens.
B2 noun /əbˈzɜːvər/

observer

Beobachter
Meaning
a person who watches or notices something
Example
The observer took notes during the meeting.
Der Beobachter machte während des Treffens Notizen.
C2 adjective /ɒmˈnɪʃ.ənt/

Omniscient

allwissend
Meaning
having complete knowledge; all-knowing
Example
The narrator in the novel appears to be omniscient, knowing every character's thoughts.
Der Erzähler im Roman scheint omniscient zu sein, da er die Gedanken aller Charaktere kennt.
C2 noun /ˈɒbsɪkwiːz/

obsequies

Begräbnisriten
Meaning
Funeral rites or ceremonies.
Example
The obsequies for the late leader drew thousands of mourners.
Die Begräbnisriten für den verstorbenen Führer zogen Tausende von Trauergästen an.
B2 noun /ˌaʊtˈsaɪdə(r)/

outsider

Außenseiter
Meaning
a person who is not accepted as a member of a particular group or community
Example
As a new student, she often felt like an outsider at school.
Als neue Studentin fühlte sie sich oft wie eine Außenseiterin in der Schule.
B1 noun /ˌɑk.jəˈpeɪ.ʃən/

Occupation

Beruf; Beschäftigung; Übernahme
Meaning
a job or profession; the action of taking control of a place
Example
Teaching is her chosen occupation.
Lehren ist ihr gewählter Beruf.
A2 noun /ˈɒpərə/

opera

Oper
Meaning
a dramatic performance in which the actors sing most of their lines
Example
We watched a beautiful opera at the theater last night.
Wir haben gestern Abend im Theater eine schöne Oper gesehen.
C1 verb /ˈɒs.ɪ.leɪt/

oscillate

sich hin und her bewegen oder schwingen zwischen zwei Punkten oder Zuständen
Meaning
To swing or move back and forth between two points or states
Example
The stock market tends to oscillate during uncertain times.
Der Aktienmarkt tendiert dazu, sich in unsicheren Zeiten zu bewegen.
C2 adjective /əˈprəʊ.bri.əs/

opprobrious

verachtend
Meaning
Expressing strong criticism or scorn.
Example
He made opprobrious remarks about his opponent.
Er machte verächtliche Bemerkungen über seinen Gegner.
C2 adjective /ɑːlˈfæktəri/

olfactory

olfaktorisch
Meaning
Relating to the sense of smell.
Example
The perfume activated her olfactory nerves immediately.
Das Parfüm aktivierte sofort ihre Riechnerven.
C2 noun /ˈoʊ.vər.let/

Overlet

Topper
Meaning
a thin mattress or pad placed over a bed for additional comfort
Example
The overlet makes the bed more comfortable to sleep on.
Der Topper macht das Bett bequemer zum Schlafen.
B2 noun /əbˈsɛʃən/

obsession

Besessenheit
Meaning
An idea, thought, or concern that continually preoccupies or intrudes on a person's mind.
Example
His obsession with success drove him to work day and night.
Seine Besessenheit vom Erfolg trieb ihn dazu, Tag und Nacht zu arbeiten.
B1 noun /ˈɑp.ʃən/

Option

Option
Meaning
a thing that is or may be chosen; an alternative course of action
Example
You have the option to work from home or office.
Du hast die Option, von zu Hause oder im Büro zu arbeiten.
B2 noun /ˈɔːɡən/

organ

Organ
Meaning
a part of the body that performs a specific function
Example
The heart is an important organ in the human body.
Das Herz ist ein wichtiges Organ im menschlichen Körper.
C1 noun ˌɒb.səˈlɛs.əns

obsolescence

Veralterung
Meaning
The process of becoming obsolete or outdated and no longer used.
Example
The rapid advancement of technology leads to the obsolescence of old devices.
Der schnelle technologische Fortschritt führt zur Veralterung alter Geräte.
B2 verb /ɒpt/

opt

wählen
Meaning
to choose or decide to do something instead of something else
Example
Many students opt to study abroad for better opportunities.
Viele Studenten entscheiden sich, im Ausland zu studieren, um bessere Möglichkeiten zu haben.
C2 noun ˈoʊʃən ˌstrætɪfɪˈkeɪʃən

ocean stratification

ozeanische stratifikation
Meaning
The formation of layers in ocean water due to differences in density.
Example
Ocean stratification affects marine biodiversity.
Die Ozeanstratifikation beeinflusst die marine Biodiversität.
B2 noun /ˈɔɪ.stər/

Oyster

Auster
Meaning
a type of shellfish that can be eaten and sometimes contains pearls
Example
She ordered fresh oysters at the seafood restaurant.
Sie bestellte frische Austern im Meeresfrüchte-Restaurant.
B2 adverb /ˈaʊtraɪt/

Outright

direkt; vollständig; ohne Vorbehalt
Meaning
completely; directly; without reservation or concealment
Example
She rejected the proposal outright.
Sie lehnte den Vorschlag direkt ab.
B2 noun /ˈoʊvərpæs/

overpass

Brücke
Meaning
A bridge that carries one road or railway over another.
Example
The new overpass reduced traffic congestion in the city.
Die neue Brücke reduzierte den Verkehrsstau in der Stadt.
B2 noun /ˈɔr.fən.ɪʒ/

Orphanage

Waisenhaus
Meaning
an institution for the care and education of children who have lost their parents
Example
The charity built a new orphanage for homeless children.
Die Wohltätigkeitsorganisation baute ein neues Waisenhaus für obdachlose Kinder.
C2 noun /oʊliˈændər/

Oleander

oleander
Meaning
a poisonous evergreen shrub with clusters of white, pink, or red flowers
Example
The beautiful oleander flowers bloomed in the garden despite their toxic nature.
Die schönen Oleanderblumen blühten im Garten, trotz ihrer giftigen Natur.
C1 noun /ɒpˈtɒmɪtrɪst/

optometrist

Optometrist
Meaning
A healthcare professional who examines eyes and prescribes corrective lenses.
Example
The optometrist prescribed new glasses for her.
Der Optometrist verschrieb ihr neue Brillen.
B2 noun /ˈɔːrɡənaɪzər/

organizer

Organisator
Meaning
a person who arranges or coordinates activities, events, or groups; a tool or item used to keep things in order
Example
She worked as the main organizer of the international conference.
Sie war die Hauptorganisatorin der internationalen Konferenz.
C2 noun /ɒmˈnɪʃəns/

omniscience

Allwissenheit
Meaning
the state of knowing everything
Example
The novel's narrator has an air of omniscience, revealing every character's thoughts.
Der Erzähler des Romans hat eine Aura von Allwissenheit, indem er die Gedanken jeder Figur offenlegt.
C1 verb /aʊtˈlɪv/

outlive

überleben
Meaning
to live longer than someone or something else
Example
She outlived all her siblings.
Sie hat alle ihre Geschwister überlebt.
C2 noun /ˌɒpəˈrɛtə/

operetta

leichte Oper
Meaning
a short opera with light and humorous themes
Example
The theater staged a famous operetta by Gilbert and Sullivan.
Das Theater inszenierte eine berühmte Operette von Gilbert und Sullivan.
A2 preposition /ˈɒntu/

onto

auf
Meaning
moving to a position on the surface of something
Example
She jumped onto the table to get the book.
Sie sprang auf den Tisch, um das Buch zu holen.
C1 verb /əbˈstrʌkt/

obstruct

blockieren
Meaning
to block or hinder progress; to prevent or impede movement
Example
The fallen tree obstructed the road for several hours.
Der gefallene Baum blockierte die Straße mehrere Stunden lang.
A2 noun /ˈoʊ.nər/

Owner

Eigentümer
Meaning
a person who owns something; someone who has legal possession of property
Example
The owner of the restaurant greeted us warmly.
Der Eigentümer des Restaurants begrüßte uns herzlich.
B2 verb /ˌoʊvərˈloʊd/

overload

überladen
Meaning
to load with too much weight or cargo; to give too much work or information
Example
Don't overload the washing machine or it might break down.
Überlade die Waschmaschine nicht, sonst könnte sie kaputt gehen.
C1 adjective əʊˈpeɪk

opaque

undurchsichtig, undurchdringlich, schwer zu verstehen
Meaning
Not able to be seen through; not transparent; difficult to understand.
Example
The glass was too opaque to see through.
Das Glas war zu undurchsichtig, um hindurch zu sehen.
C1 noun ˌɒk.sɪˈdeɪ.ʃən

oxidation

Oxidation
Meaning
A chemical reaction that involves the combination of a substance with oxygen, often causing deterioration.
Example
Oxidation causes metal surfaces to weaken.
Die Oxidation schwächt Metalloberflächen.
C2 noun /ɒmˈnɪpətəns/

omnipotence

Omnipotenz
Meaning
The quality of having unlimited power or authority.
Example
Many religions describe God’s omnipotence as absolute.
Viele Religionen beschreiben die Omnipotenz Gottes als absolut.
C1 verb /ˌoʊvərˈrʌn/

overrun

überwuchern
Meaning
to spread over or occupy completely; to exceed a limit or time
Example
The garden was overrun with weeds.
Der Garten war von Unkraut überwuchert.
B1 noun ˌɒpəˈtjuːnɪtiz

opportunities

Gelegenheiten
Meaning
A set of circumstances that makes it possible to do something; chances for advancement or success.
Example
Opportunities for jobs decreased.
Die Gelegenheiten für Jobs nahmen ab.
B2 noun /ˌɑb.zɚˈveɪ.ʃən/

Observation

Beobachtung
Meaning
the action of watching something carefully; a comment or remark
Example
The scientist made careful observations of the experiment.
Der Wissenschaftler machte sorgfältige Beobachtungen des Experiments.
C2 noun /ˈɒksɪdənt/

occident

Okzident
Meaning
The countries of the West, especially Europe and America.
Example
The Occident has a long history of philosophical thought.
Der Okzident hat eine lange Geschichte der philosophischen Gedanken.
B2 noun, verb /ˈaʊtlɔː/

outlaw

Gesetzloser
Meaning
as a noun: a person who breaks the law and lives outside its protection; as a verb: to make something illegal
Example
The government decided to outlaw the harmful practice.
Die Regierung hat beschlossen, die schädliche Praxis zu verbieten.
C1 noun /ˈoʊ.vər spɪl/

Over-spill

Überlauf
Meaning
the overflow of liquid from a container; excess that cannot be contained
Example
The overspill from the river flooded nearby farms.
Der Überlauf des Flusses überflutete nahegelegene Farmen.
C2 noun /ˈɔːrdʒi/

orgy

Orgie
Meaning
A wild party involving excessive indulgence, especially of a sexual nature.
Example
The novel described a scandalous orgy in a wealthy mansion.
Der Roman beschrieb eine skandalöse Orgie in einer wohlhabenden Villa.
C1 adjective /ˌaʊt əv ðə ˈweɪ/

out-of-the-way

abgelegen oder ungewöhnlich
Meaning
remote or unusual; not in a convenient or usual location
Example
They stayed in an out-of-the-way village.
Sie blieben in einem abgelegenen Dorf.
C1 noun /ˈɑd.ɪ.ti/

Oddity

Seltenheit
Meaning
something that is strange or unusual; a peculiar trait
Example
His habit of sleeping standing up was considered an oddity.
Seine Gewohnheit, im Stehen zu schlafen, wurde als eine Seltenheit betrachtet.
C1 noun /oʊˈbɪt.ʃu.er.i/

Obituary

Nachruf
Meaning
a notice of someone's death published in a newspaper; biographical account of deceased person
Example
The newspaper published his obituary yesterday.
Die Zeitung veröffentlichte gestern seinen Nachruf.
A2 modal verb /ɔːt/

ought

sollte
Meaning
Used to indicate duty, correctness, or moral obligation.
Example
You ought to respect your elders.
Du solltest deine Älteren respektieren.
C2 adjective /ˈoʊ.pən ˈhɑrt.ɪd/

Open-hearted

offenherzig; großzügig und aufrichtig; herzlich empfangend;
Meaning
Kind and generous; sincere and honest; warmly receptive;
Example
She welcomed the strangers with an open-hearted smile and invited them for dinner.
Sie begrüßte die Fremden mit einem offenen Lächeln und lud sie zum Abendessen ein.
A2 adjective /əˈlɪmpɪk/

olympic

olympisch
Meaning
related to the Olympic Games, a major international sporting event
Example
She trained hard to compete in the Olympic Games.
Sie trainierte hart, um an den Olympischen Spielen teilzunehmen.
B2 adverb /ˌoʊvərˈnaɪt/

Overnight

über Nacht; plötzlich; sehr schnell
Meaning
during the night; suddenly; very quickly
Example
The city was transformed overnight.
Die Stadt wurde über Nacht verwandelt.
C2 adjective /ˈɒsiəs/

osseous

knochig
Meaning
consisting of or turned into bone; bony
Example
The fossil showed osseous structures of the ancient creature.
Das Fossil zeigte ossäre Strukturen des alten Wesens.
B1 noun əbˈdʒek.tɪv

objective

ziel
Meaning
A thing aimed at or sought; a goal.
Example
The main objective is to test sustainability.
Das Hauptziel ist es, die Nachhaltigkeit zu testen.
B2 noun /ˌɒb.zəˈveɪ.ʃənz/

observations

Beobachtung
Meaning
The action or process of observing something carefully.
Example
Observations of distant galaxies provide new insights.
Beobachtungen von fernen Galaxien liefern neue Einblicke.
C1 adjective /əbˈzɜːrvənt/

Observant

beobachtend
Meaning
quick to notice things; watchful; attentive
Example
The observant detective noticed every small detail at the crime scene.
Der aufmerksame Detektiv bemerkte jedes kleine Detail am Tatort.
C2 adjective /ˈɒkjʊlər/

ocular

okular
Meaning
Relating to the eye or vision.
Example
The patient was referred to a specialist for ocular treatment.
Der Patient wurde an einen Spezialisten für okulare Behandlung überwiesen.
A2 verb /oʊˈbeɪ/

obey

gehorchen
Meaning
to follow orders or instructions; to comply with rules
Example
Children should obey their parents and teachers.
Kinder sollten ihren Eltern und Lehrern gehorchen.
C1 adjective /ˈɒm.ɪ.nəs/

Ominous

unheilvoll; drohend
Meaning
giving the impression that something bad will happen; threatening; foreboding
Example
The dark clouds looked ominous before the storm.
Die dunklen Wolken sahen ominös aus, bevor der Sturm kam.
A1 adverb /ˈɔːfən/

often

oft
Meaning
frequently, many times
Example
I often visit my grandparents on weekends.
Ich besuche oft meine Großeltern am Wochenende.
C1 adjective /əbˈdʒek.ʃən.ə.bəl/

Objectionable

anstößig
Meaning
arousing distaste or opposition; unpleasant or offensive
Example
His objectionable behavior made everyone uncomfortable.
Sein anstößiges Verhalten machte alle unwohl.
C2 verb /ˌaʊtməˈnuːvər/

outmaneuver

geschickt überlisten
Meaning
to gain an advantage over an opponent by skillful or clever action
Example
The smaller company managed to outmaneuver its larger rival.
Das kleinere Unternehmen schaffte es, seinen größeren Konkurrenten geschickt zu überlisten.
B1 verb /ˈɒpəreɪt/

operate

bedienen
Meaning
to function; to control or manage; to perform surgery
Example
The surgeon will operate on the patient tomorrow.
Der Chirurg wird den Patienten morgen operieren.
C1 adjective /ɔːˈneɪt/

ornate

verziert
Meaning
elaborately or highly decorated
Example
The palace hall was filled with ornate furniture and paintings.
Der Palasthalle war mit verzierten Möbeln und Gemälden gefüllt.
C2 noun /oʊf/

Oaf

eine tollpatschige, dumme oder unsensible Person
Meaning
a clumsy, stupid, or insensitive person
Example
Don't be such an oaf - handle the dishes carefully!
Sei kein Oaf – gehe mit den Tellern vorsichtig um!
A2 adjective /ˈaʊtdɔːr/

outdoor

im Freien
Meaning
situated, existing, or done outside a building
Example
We planned an outdoor picnic for the weekend.
Wir haben ein Picknick im Freien für das Wochenende geplant.
C1 verb ˈɔːr.kɪ.streɪt

orchestrate

koordiniert
Meaning
To plan or coordinate the elements of (a situation) to produce a desired effect, especially surreptitiously.
Example
He skillfully orchestrated the entire event.
Er hat das gesamte Event geschickt orchestriert.
B1 noun /aʊl/

Owl

Eule
Meaning
a nocturnal bird of prey with large eyes and a hooked beak
Example
The owl hooted softly in the darkness of the forest.
Die Eule rief leise in der Dunkelheit des Waldes.
C2 noun /ˌɑːbdʒərˈɡeɪʃən/

objurgation

strenge Zurechtweisung
Meaning
a harsh scolding or strong rebuke
Example
His misconduct earned him a severe objurgation from the manager.
Sein Fehlverhalten brachte ihm eine strenge Zurechtweisung vom Manager ein.
C2 noun /ˌɑːpərˈtuːnɪzəm/

opportunism

Opportunismus
Meaning
The practice of taking advantage of opportunities regardless of principles or ethics.
Example
His decision was driven by opportunism, not values.
Seine Entscheidung wurde durch Opportunismus motiviert, nicht durch Werte.
B1 adjective /ˈɔːɡənaɪzd/

organized

organisiert
Meaning
Arranged in a systematic way, especially on a large scale.
Example
An organized approach to work increases productivity and reduces stress.
Ein gut organisierter Ansatz bei der Arbeit erhöht die Produktivität und reduziert Stress.
A2 noun /ˈʌv.ən/

Oven

ofen
Meaning
an enclosed compartment used for heating, baking, or drying food
Example
She baked cookies in the oven for thirty minutes.
Sie backte Kekse im Ofen für dreißig Minuten.
A2 noun əˈlɪm.pɪk ɡeɪmz

Olympic Games

olympische spiele
Meaning
The world's largest international sports competition held every four years, bringing together athletes from different countries to compete in various sports.
Example
The Olympic Games bring together the world's top athletes.
Die Olympischen Spiele bringen die besten Athleten der Welt zusammen.
C2 verb /ˈɔːreɪt/

orate

reden
Meaning
To speak in a formal, often pompous manner
Example
He began to orate at the ceremony.
Er begann, bei der Zeremonie zu reden.
B1 verb /oʊ/

owe

schulden
Meaning
to be under obligation to pay or repay; to be indebted
Example
I owe my success to my parents' support.
Ich schulde meinen Erfolg der Unterstützung meiner Eltern.
C2 noun /ˈɑb.lə.kwi/

Obloquy

harte Kritik oder verbaler Missbrauch; öffentliche Verurteilung
Meaning
harsh criticism or verbal abuse; strong public condemnation
Example
The politician faced obloquy after the scandal.
Der Politiker sah sich nach dem Skandal scharfer Kritik ausgesetzt.
C2 noun /ˈɔːrdnəns/

ordnance

militärische Ausrüstung
Meaning
Military supplies including weapons, ammunition, and combat equipment.
Example
The army stored ordnance in a secure facility outside the city.
Die Armee lagerte militärische Ausrüstung in einer sicheren Einrichtung außerhalb der Stadt.
B1 noun /ˌɒpəˈreɪʃən/

operation

operation
Meaning
an act or process of functioning or operating
Example
The hospital performed a successful operation.
Das Krankenhaus führte eine erfolgreiche Operation durch.
C1 noun /ˈəʊ.nəs/

onus

Verantwortung
Meaning
A duty or responsibility, especially a heavy one.
Example
The onus is on the government to provide relief to the victims.
Die Verantwortung liegt bei der Regierung, den Opfern Hilfe zu leisten.
C2 noun /ˈəʊpəs/

opus

kreatives Werk
Meaning
A creative work, especially a large and important piece of music or art.
Example
The composer considered the symphony his greatest opus.
Der Komponist betrachtete die Sinfonie als sein größtes kreatives Werk.
A2 noun /ˈɒm.lət/

Omelet

Omelette
Meaning
a dish made from beaten eggs cooked in a frying pan and often folded around a filling
Example
She made a cheese omelet for breakfast.
Sie machte ein Käseomelette zum Frühstück.
C1 verb /ˌoʊvərˈruːl/

overrule

aufheben
Meaning
to reject or disallow by exercising one's superior authority; to override a decision
Example
The judge overruled the objection from the defense attorney.
Der Richter hob den Einspruch des Verteidigers auf.
C2 verb /ˌoʊvərˈstraɪd/

overstride

mit großen Schritten überqueren
Meaning
To stride over something; to step across with long steps.
Example
He managed to overstride the narrow stream with ease.
Er schaffte es, den engen Bach mit Leichtigkeit zu überqueren.
C2 noun /ˈɑːbəlɪsk/

obelisk

obelisk
Meaning
A tall, four-sided, narrow tapering monument with a pyramid-shaped top.
Example
The ancient Egyptians built obelisks to honor their gods.
Die alten Ägypter errichteten Obelisken, um ihre Götter zu ehren.
C1 noun /ˌɑːsɪˈleɪʃən/

oscillation

Oszillation
Meaning
The movement back and forth at a regular speed.
Example
The oscillation of the pendulum controls the clock.
Die Oszillation des Pendels steuert die Uhr.
C1 adjective /ˌəʊvərˈstɪmjʊˌleɪtɪd/

overstimulated

überstimuliert
Meaning
Excessively excited or aroused, overwhelmed by too much stimulus.
Example
Overstimulated minds can lead to burnout and decreased productivity.
Überstimulierte Gedanken können zu Burnout und verringerter Produktivität führen.
B2 noun ɔːˈɡæn.ɪk fuːdz

organic foods

biologische Lebensmittel
Meaning
Food produced without the use of chemicals such as artificial pesticides, fertilizers, or other artificial agents.
Example
Organic foods are healthier than processed foods.
Biologische Lebensmittel sind gesünder als verarbeitete Lebensmittel.
C1 adjective /ˌaʊtˈspoʊkən/

Outspoken

offen
Meaning
frank; speaking directly
Example
She is known for being outspoken about social issues.
Sie ist dafür bekannt, offen über gesellschaftliche Themen zu sprechen.
B2 noun/verb /ˈoʊvərˌdoʊs/

overdose

überdosis
Meaning
An excessive and dangerous amount of a drug; to take too much of a substance.
Example
He was rushed to the hospital after a drug overdose.
Er wurde nach einer Drogenüberdosis ins Krankenhaus eingeliefert.
C1 noun /ˌɒbstəˈtrɪʃən/

obstetrician

Geburtshelfer
Meaning
A doctor specializing in pregnancy, childbirth, and women's reproductive health.
Example
The obstetrician monitored the mother’s health throughout the pregnancy.
Der Geburtshelfer überwachte die Gesundheit der Mutter während der Schwangerschaft.
C1 adjective /əbˈnɒkʃəs/

Obnoxious

anstößig
Meaning
extremely unpleasant; offensive; annoying
Example
His obnoxious behavior at the party annoyed everyone.
Sein anstößiges Verhalten auf der Party ärgerte alle.
A2 adjective /ˈɔː.dɪ.nər.i/

Ordinary

gewöhnlich; normal; nicht besonders
Meaning
normal; usual; not special
Example
It was just an ordinary day at the office.
Es war einfach ein gewöhnlicher Tag im Büro.
B2 noun /əbˈdʒek.ʃən/

Objection

Einwand; Protest; Widerspruch;
Meaning
an expression of disagreement or disapproval; a reason for disagreeing
Example
The lawyer raised an objection during the trial.
Der Anwalt erhob während des Prozesses Einspruch.
C1 verb /əbˈsɛs/

obsess

besessen sein von
Meaning
To preoccupy or fill the mind of someone continually and to an excessive degree.
Example
She tends to obsess over small details.
Sie neigt dazu, sich über kleine Details zu besessen.
A2 adjective /ɒd/

Odd

seltsam; ungewöhnlich; anders als das, was normal oder erwartet wird
Meaning
strange; unusual; different from what is normal or expected
Example
That's an odd way to solve the problem.
Das ist eine seltsame Art, das Problem zu lösen.
C1 adjective /əˈblaɪdʒɪŋ/

obliging

hilfsbereit
Meaning
Willing to help or do favors; accommodating.
Example
The staff at the hotel were very obliging and friendly.
Das Personal im Hotel war sehr hilfsbereit und freundlich.
C1 verb /ɔːrˈdeɪn/

ordain

ordnen
Meaning
To officially make someone a priest or minister; to decree or order something officially.
Example
The bishop will ordain three new priests this Sunday.
Der Bischof wird an diesem Sonntag drei neue Priester ordinieren.
B2 noun ˈɔː.bɪt

orbit

Umlaufbahn
Meaning
The curved path of a celestial object around a star, planet, or moon.
Example
The satellite maintains its orbit around Earth.
Der Satellit hält seine Umlaufbahn um die Erde bei.
C2 noun /ˈɔː.rɪ.fɪs/

orifice

Öffnung
Meaning
an opening or hole, especially in the body or a device
Example
The medicine was applied through a small orifice in the device.
Das Medikament wurde durch ein kleines Loch im Gerät aufgetragen.
C2 noun /əˈprəʊ.bri.əm/

opprobrium

Verachtung, Schande
Meaning
Harsh criticism or public disgrace.
Example
The scandal brought opprobrium on the politician.
Der Skandal brachte Verachtung für den Politiker.
C1 noun ɔːrˈdiːl

ordeal

harte Prüfung
Meaning
A physical or mental painful experience that must be endured
Example
Surviving the wilderness was a tough ordeal for them.
Das Überleben in der Wildnis war eine harte Prüfung für sie.
B1 adjective /ˈaʊtər/

outer

äußeren
Meaning
situated on or toward the outside; external
Example
The outer layer of the jacket is waterproof.
Die äußere Schicht der Jacke ist wasserdicht.
C1 noun əˈblɪv.i.ən

oblivion

Vergessenheit, Zerstörung, Verschwinden
Meaning
The state of being unaware or unconscious of what is happening; complete forgetfulness.
Example
His name faded into oblivion over time.
Sein Name verschwand mit der Zeit in der Vergessenheit.
C1 noun /əbˈdʒɛktər/

objector

Widersacher
Meaning
a person who expresses opposition or disapproval to something
Example
The objector raised his concerns during the town meeting.
Der Widersacher äußerte seine Bedenken während der Stadtratssitzung.
C1 adjective /ˈɔːrθədɑːks/

orthodox

orthodox
Meaning
conforming to traditional beliefs or practices
Example
He comes from a very orthodox family.
Er stammt aus einer sehr orthodoxen Familie.
C2 verb ˈɑːb.fə.skeɪt

obfuscate

verschleiern, unklar machen, verwirren
Meaning
Render obscure, unclear, or unintelligible.
Example
Politicians often obfuscate facts to mislead people.
Politiker verschleiern oft Fakten, um die Menschen zu täuschen.
C2 adjective /ˌoʊvərˈwiːnɪŋ/

overweening

überheblich
Meaning
excessively arrogant or prideful
Example
His overweening pride cost him many friends.
Sein übermäßiger Stolz kostete ihm viele Freunde.
C1 adjective /ˈɑp.ər.ə.tɪv/

Operative

aktiv; in Kraft; funktionierend; betriebsbereit;
Meaning
Functioning; in effect; working; active;
Example
The new safety protocols became operative immediately after the accident.
Die neuen Sicherheitsprotokolle wurden unmittelbar nach dem Unfall betriebsbereit.
B1 noun /ˈɑː.lɪv/

Olive

Olive
Meaning
a small oval fruit with a hard pit, typically green or black, used for eating or making oil
Example
Olive oil is considered one of the healthiest cooking oils available.
Olivenöl gilt als eines der gesündesten Kochöle, die verfügbar sind.
C1 verb /aʊtˈwɪt/

outwit

überlisten
Meaning
to defeat or gain an advantage over someone by being more clever or cunning
Example
The fox managed to outwit the hunters.
Der Fuchs konnte die Jäger überlisten.
A2 adjective /ˈɑp.ə.zɪt/

Opposite

entgegengesetzt; völlig unterschiedlich; einander zugewandt; umgekehrt;
Meaning
Contrary; completely different; facing each other; reverse;
Example
They have opposite views on politics but remain good friends.
Sie haben gegensätzliche Ansichten zur Politik, bleiben aber gute Freunde.
A1 preposition /ɒn/

on

auf
Meaning
physically in contact with and supported by a surface
Example
The book is on the table.
Das Buch liegt auf dem Tisch.
A2 adjective/adverb /ˈɒnˌlaɪn/

online

online
Meaning
connected to or available through the internet
Example
I prefer shopping online rather than going to stores.
Ich kaufe lieber online ein, als in Geschäfte zu gehen.
B2 verb /oʊˈmɪt/

omit

weglassen
Meaning
to leave out or exclude; to fail to include something
Example
Please don't omit any important details from your report.
Bitte lassen Sie keine wichtigen Details in Ihrem Bericht aus.
C1 adjective /əbˈtjuːs/

Obtuse

dumm; stumpf; langsam zu verstehen
Meaning
annoyingly insensitive or slow to understand; lacking in intelligence or perception
Example
He was being deliberately obtuse about the instructions.
Er war absichtlich obtus bezüglich der Anweisungen.
C2 adjective /ˌoʊdəˈrɪfərəs/

odoriferous

wohlriechend
Meaning
having or giving off a smell, especially a strong or pleasant one
Example
The garden was filled with odoriferous flowers.
Der Garten war mit wohlriechenden Blumen gefüllt.
C1 noun /ˈɑːlɪˌɡɑːrki/

oligarchy

Oligarchie
Meaning
A small group of people having control of a country, organization, or institution.
Example
The nation was ruled by a wealthy oligarchy that controlled all resources.
Das Land wurde von einer wohlhabenden Oligarchie regiert, die alle Ressourcen kontrollierte.
C2 verb /ˈɑːblɪˌɡeɪt/

obligate

verpflichten
Meaning
to bind legally or morally; to compel someone to do something
Example
The contract obligates the company to provide timely service.
Der Vertrag verpflichtet das Unternehmen, rechtzeitig Service zu leisten.