outdo
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C1 verb /ˌaʊtˈduː/

outdo

übertreffen
Meaning
To do better than someone else; to surpass.
Example
She always tries to outdo her classmates in exams.
Sie versucht immer, ihre Klassenkameraden in Prüfungen zu übertreffen.
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.
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.
A2 pronoun /aʊərˈsɛlvz/

ourselves

wir selbst
Meaning
used by the speaker to refer to themselves and one or more others as the object of the verb
Example
We should help ourselves before helping others.
Wir sollten uns selbst helfen, bevor wir anderen helfen.
C2 adjective /əbˈstrɛpərəs/

obstreperous

laut und schwer zu kontrollieren
Meaning
Noisy and difficult to control.
Example
The obstreperous students disrupted the class.
Die lauten Studenten störten die Klasse.
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.
C1 verb /ˌoʊvərˈθroʊ/

overthrow

Glück
Meaning
To remove a leader or government from power, often by force.
Example
The rebels planned to overthrow the corrupt regime.
Sie konnte ihr Glück nicht verbergen, als sie den Preis erhielt.
A1 preposition, adverb /ˈoʊvər/

over

über
Meaning
across, on top of, or beyond
Example
The book is lying over the table.
Das Buch liegt über dem Tisch.
B2 noun /ˈaʊtlet/

outlet

Auslass
Meaning
a means by which something is released, expressed, or distributed
Example
Art is a great outlet for emotions.
Kunst ist ein großartiger Auslass für Emotionen.
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.
B2 noun ˈəʊnəʃɪp

ownership

Eigentum
Meaning
The act, state, or right of possessing something; legal title to something.
Example
Ownership of resources was crucial.
Das Eigentum an Ressourcen war entscheidend.
B1 noun ˌɔː.ɡən.aɪˈzeɪ.ʃənz

organizations

Organisationen
Meaning
Organized groups of people with a particular purpose
Example
Organizations play a key role in policymaking.
Organisationen spielen eine Schlüsselrolle bei der Politikgestaltung.
C2 verb /aʊtˈraɪd/

outride

überholen
Meaning
to ride faster, farther, or better than someone else
Example
The young rider managed to outride his competitors in the race.
Der junge Reiter konnte seine Mitbewerber im Rennen überholen.
B2 adverb /ˈɒdli/

oddly

seltsamerweise
Meaning
in a strange or unusual way; unexpectedly
Example
Oddly, he didn’t seem upset by the bad news.
Seltsamerweise schien er über die schlechte Nachricht nicht verärgert zu sein.
C1 adjective /ˌaʊtˈlændɪʃ/

outlandish

seltsam
Meaning
Looking or sounding bizarre or unfamiliar; strange.
Example
He wore an outlandish costume to the festival.
Er trug ein seltsames Kostüm zum Festival.
C1 verb /ˈoʊvərˌhɔːl/

overhaul

große Überholung
Meaning
to examine thoroughly and repair or improve something that is worn or ineffective
Example
The company decided to overhaul its outdated computer system.
Das Unternehmen entschied sich, sein veraltetes Computersystem zu überholen.
A1 adjective /ˈʌðər/

other

anderer
Meaning
used to refer to something different from the one already mentioned or known
Example
I don't want this one, I will take the other one.
Ich will dieses nicht, ich werde das andere nehmen.
C2 noun /ˌɒn.əˌmæt.əˈpiː.ə/

onomatopoeia

Onomatopöie
Meaning
The formation of a word from a sound associated with what is named.
Example
The word 'buzz' is an example of onomatopoeia.
Das Wort 'Summen' ist ein Beispiel für Onomatopöie.
B2 verb /ˌoʊvərˈpeɪ/

overpay

überbezahlen
Meaning
To pay more than is necessary or reasonable.
Example
She realized she had overpaid for the concert tickets.
Sie erkannte, dass sie für die Konzertkarten zu viel bezahlt hatte.
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.
C1 noun /ɒpˈtɒmətri/

optometry

Optometrie
Meaning
The practice or profession of examining the eyes and prescribing corrective lenses.
Example
She studied optometry at the university to become an eye specialist.
Sie studierte Optometrie an der Universität, um Augenärztin zu werden.
C1 noun ˌoʊ.vɚˈɡreɪ.zɪŋ

overgrazing

Überweidung
Meaning
The practice of allowing livestock to graze to the point of damaging vegetation.
Example
Overgrazing leads to soil erosion and loss of biodiversity.
Überweidung führt zu Bodenerosion und Verlust der Biodiversität.
B2 noun /ˈaʊtskɜːrts/

outskirts

Vororte der Stadt
Meaning
The outer parts of a town or city, away from the center.
Example
They moved to the outskirts of the city for a quieter life.
Sie zogen in die Vororte der Stadt für ein ruhigeres Leben.
C1 noun /ˈaʊtˌkraɪ/

outcry

Protest
Meaning
A strong expression of public anger or disapproval.
Example
The decision sparked an outcry among the citizens.
Die Entscheidung löste einen Protest unter den Bürgern aus.
C1 noun /əbˈzɜːrvətɔːri/

observatory

observatorium
Meaning
A building equipped for observing astronomical or meteorological events.
Example
The observatory is open to the public on weekends.
Das Observatorium ist am Wochenende für die Öffentlichkeit geöffnet.
B2 noun /oʊˈbiː.di.əns/

Obedience

gehorsam
Meaning
compliance with an order, request, or law; submission to authority
Example
Children should show obedience to their parents.
Kinder sollten ihren Eltern Gehorsam zeigen.
C2 adjective /ˈoʊdiəs/

odious

abscheulich
Meaning
extremely unpleasant or repulsive
Example
The dictator was remembered for his odious crimes.
Der Diktator wurde für seine abscheulichen Verbrechen erinnert.
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.
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 noun /ˈɒb.stɪ.nə.si/

obstinacy

Eigensinn
Meaning
Stubborn refusal to change one's opinion or chosen course of action, despite attempts to persuade one to do so.
Example
His obstinacy made negotiations difficult.
Sein Eigensinn erschwerte die Verhandlungen.
C1 noun /oʊˈveɪʃən/

ovation

Beifall
Meaning
an enthusiastic show of approval, especially by clapping hands
Example
The actor received a standing ovation after his performance.
Der Schauspieler erhielt nach seiner Aufführung stehende Ovationen.
C2 adjective /ˌɒbsəˈlɛsnt/

obsolescent

veraltet
Meaning
Becoming outdated or on the way to becoming obsolete.
Example
The obsolescent technology could not compete with modern devices.
Die veraltete Technologie konnte nicht mit modernen Geräten konkurrieren.
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.
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.
C1 noun ˈaʊt.sɔːr.sɪŋ

outsourcing

Auslagerung
Meaning
The practice of having certain job functions done outside a company instead of having an in-house department or employee handle them.
Example
Many companies use outsourcing to reduce labor costs.
Viele Unternehmen nutzen Outsourcing, um die Arbeitskosten zu senken.
C2 noun /ɒkˈteɪvoʊ/

octavo

Oktavo (Buchgröße, die durch das Falten eines Blattes in acht Teile entsteht)
Meaning
A size of book page resulting from folding a sheet of paper into eight leaves (sixteen pages).
Example
The old library contained rare octavo editions of Shakespeare.
Die alte Bibliothek enthielt seltene Oktavo-Ausgaben von Shakespeare.
C2 adjective /ˌoʊpəˈlɛsənt/

opalescent

opalartig
Meaning
showing or reflecting a milky, iridescent light like an opal
Example
The opalescent sky glowed with shades of pink and blue.
Der opaleszente Himmel leuchtete in rosa und blauen Tönen.
C1 adjective əˈblɪv.i.əs

oblivious

unbewusst
Meaning
Being completely unaware of surrounding events.
Example
He was oblivious to the noise around him while reading.
Er war beim Lesen völlig unbewusst von dem Lärm um ihn herum.
C2 noun /ˈɒn.rʌʃ/

onrush

Ansturm
Meaning
A sudden powerful forward or downward rush or flow.
Example
The onrush of water swept away the bridge.
Der Ansturm von Wasser fegte die Brücke fort.
B2 noun /əˈfens/

Offence

Verstoß; Straftat; Angriff
Meaning
a breach of law or rule; an annoyance or resentment
Example
Stealing is a serious offence punishable by law.
Diebstahl ist ein schweres Vergehen, das gesetzlich bestraft wird.
B2 noun /ˈɔːkɪstrə/

orchestra

Orchester
Meaning
a large group of musicians playing different instruments together
Example
The orchestra performed beautifully at the concert.
Das Orchester hat beim Konzert wunderschön gespielt.
A2 noun /ˈɒbdʒɪkt/

object

Gegenstand
Meaning
a thing that can be seen and touched
Example
The table is an object in the room.
Der Tisch ist ein Gegenstand im Raum.
B2 adjective /əˈpəʊzd/

opposed

entgegengesetzt
Meaning
being against or in disagreement with something
Example
She is strongly opposed to animal testing.
Sie ist entschieden gegen Tierversuche.
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.
C1 noun /ɔːr/

Oar

Ruder
Meaning
a long pole with a flat blade used to row a boat
Example
He dipped the oar into the water and pulled the boat forward.
Er tauchte das Ruder ins Wasser und zog das Boot vorwärts.
C2 noun /ˈɒrɪz(ə)n/

orison

Gebet
Meaning
a prayer, especially a devout or formal one
Example
He whispered a quiet orison before going to sleep.
Er flüsterte ein stilles Gebet, bevor er ins Bett ging.
C1 verb /ˌoʊvərˈpaʊər/

overpower

überwältigen
Meaning
To defeat or gain control over someone or something by using greater strength or force.
Example
The soldiers managed to overpower the enemy forces.
Die Soldaten konnten die feindlichen Truppen überwältigen.
B2 adjective /ˈɔɪl.i/

Oily

ölig; mit Öl bedeckt; fettig
Meaning
covered with oil; containing oil; greasy
Example
Her oily skin needs special care.
Ihre ölige Haut braucht besondere Pflege.
B1 verb /ˈɒpəreɪtɪŋ/

operating

operierend
Meaning
to control or manage the functioning of something
Example
The company has been operating in this market for five years.
Das Unternehmen arbeitet seit fünf Jahren in diesem Markt.
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.
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.
A1 pronoun, noun, adjective /wʌn/

one

eins
Meaning
the number equivalent to the sum of zero and one; a single person or thing
Example
Only one student answered the question.
Nur ein Student beantwortete die Frage.
C1 verb /aʊst/

oust

verdrängen
Meaning
To remove someone from a position or place of power or authority.
Example
The rebels ousted the dictator from power.
Die Rebellen verdrängten den Diktator von der Macht.
B2 noun/verb /ˌoʊvərˈlæp/

overlap

Überlappung
Meaning
To extend over and cover partly; an area where things coincide.
Example
The two meetings overlap by an hour.
Die beiden Besprechungen überlappen sich um eine Stunde.
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 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.
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.
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.
A1 verb, adjective /oʊn/

own

besitzen
Meaning
to possess something; belonging to oneself
Example
She owns a beautiful house in the city.
Sie besitzt ein schönes Haus in der Stadt.
C1 noun /ˈaʊtriːtʃ/

outreach

Erweiterung der Hilfe
Meaning
The act of providing services or support to people who might not otherwise have access to them.
Example
The charity launched a new outreach program for the homeless.
Die Wohltätigkeitsorganisation startete ein neues Programm zur Erweiterung der Hilfe für Obdachlose.
C2 adjective /əˈfɪʃəs/

officious

aufdringlich
Meaning
Excessively eager to offer unwanted help or advice; meddlesome.
Example
The officious guard kept interrupting the visitors with unnecessary instructions.
Der aufdringliche Wächter unterbrach die Besucher mit unnötigen Anweisungen.
C1 noun ˌɒp.tɪ.maɪˈzeɪ.ʃən

optimization

Optimierung
Meaning
Improving processes to increase performance and efficiency.
Example
SEO optimization helps websites rank higher on search engines.
SEO-Optimierung hilft Websites, in Suchmaschinen höher zu ranken.
B1 noun /ˈɒbstəkəlz/

obstacles

Hindernisse
Meaning
Things that block one's way or prevent or hinder progress.
Example
Obstacles in life can often lead to valuable lessons.
Hindernisse im Leben führen oft zu wertvollen Lektionen.
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.
C2 adjective /ˈɑːbdjʊrət/

obdurate

unbeugsam
Meaning
Stubbornly refusing to change one's opinion or course of action.
Example
He remained obdurate despite everyone's pleas.
Er blieb unbeugsam trotz aller Bitten.
A1 adverb /wʌns/

Once

einmal; irgendwann in der Vergangenheit
Meaning
one time only; at some time in the past; formerly
Example
I have been to Paris once in my life.
Ich war einmal in meinem Leben in Paris.
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.
B2 noun /əˌrɪʒ.əˈnæl.ə.ti/

Originality

Originalität
Meaning
the quality of being novel or unusual; the ability to think independently and creatively
Example
The artist's work showed great originality and creativity.
Das Werk des Künstlers zeigte große Originalität und Kreativität.
C1 noun /ˈɒptɪks/

optics

Optik
Meaning
The branch of physics dealing with light and vision.
Example
She studied optics to understand how lenses work.
Sie studierte Optik, um zu verstehen, wie Linsen funktionieren.
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.
C2 adjective /əbˈtruːsɪv/

obtrusive

aufdringlich
Meaning
noticeable in an unpleasant or unwelcome way; intrusive
Example
The advertisement was so obtrusive that it ruined the user’s experience.
Die Werbung war so aufdringlich, dass sie das Benutzererlebnis ruinierte.
A1 adverb /ɔːf/

off

aus
Meaning
away from a place, position, or time; not functioning
Example
He turned off the light before leaving the room.
Er schaltete das Licht aus, bevor er den Raum verließ.
B2 adjective /əˈfen.sɪv/

Offensive

beleidigend; insultierend; aggressiv
Meaning
causing displeasure or resentment; insulting; aggressive
Example
His offensive remarks hurt everyone's feelings.
Seine beleidigenden Bemerkungen verletzten die Gefühle aller.
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.
A1 verb /ˈoʊpən/

open

öffnen
Meaning
to move something so as to allow access; to begin
Example
Please open the door for me.
bitte öffne die Tür für mich.
A2 adjective /ˈɒb.vi.əs/

Obvious

offensichtlich; leicht zu verstehen
Meaning
easily perceived or understood; clear and apparent to the mind
Example
It was obvious that she was upset about something.
Es war offensichtlich, dass sie über etwas verärgert war.
B2 adjective + noun ˈɒptɪməl ˈtempərətʃər

optimal temperature

optimale Temperatur
Meaning
The best or most favorable temperature for a particular purpose
Example
Winter provides optimal temperature for farming.
Der Winter bietet die optimale Temperatur für die Landwirtschaft.
C1 adjective /ˌɔːrθəˈpiːdɪk/

orthopedic

bezieht sich auf die Korrektur von Knochen- oder Muskelverformungen
Meaning
Relating to the correction of deformities of bones or muscles.
Example
She visited an orthopedic surgeon for her back pain.
Sie besuchte einen orthopädischen Chirurgen wegen ihrer Rückenschmerzen.
B2 noun /əˈfɛns/

offense

Vergehen
Meaning
an illegal act; a crime
Example
The offense was committed in broad daylight.
Das Vergehen wurde bei Tageslicht begangen.
C1 noun /ˌəʊvərɪksˌplɔɪˈteɪʃən/

overexploitation

Übernutzung
Meaning
The unsustainable use of natural resources at a rate that exceeds their ability to regenerate, leading to depletion and environmental degradation.
Example
Overexploitation of natural resources leads to environmental degradation.
Die Übernutzung natürlicher Ressourcen führt zu Umweltzerstörung.
B1 noun /əˈpɪn.jən/

Opinion

meinung
Meaning
a view or judgment formed about something; a belief or assessment based on grounds short of proof
Example
In my opinion, this is the best solution.
Meiner Meinung nach ist dies die beste Lösung.
C2 noun ˈɒpjʊləns

opulence

Opulenz
Meaning
Great wealth or luxuriousness.
Example
The opulence of the mansion was evident in its ornate furnishings.
Die Opulenz des Herrenhauses war in seiner verzierenden Einrichtung offensichtlich.
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 verb /ˌaʊtˈstrɛtʃ/

outstretch

ausstrecken
Meaning
To extend or stretch something outward.
Example
He outstretched his hand to help her up.
Er streckte seine Hand aus, um ihr zu helfen.
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.
B2 noun /ˈaʊtlʊk/

outlook

Aussicht, Prognose
Meaning
a person's general attitude or view; a forecast or prospect
Example
The economic outlook for the year is positive.
Der wirtschaftliche Ausblick für das Jahr ist positiv.
C1 adjective /əˈblɪɡ.ə.tɔː.ri/

obligatory

obligatorisch
Meaning
Required by a legal, moral, or other rule; compulsory.
Example
Wearing a seatbelt is obligatory in most countries.
Das Tragen eines Sicherheitsgurts ist in den meisten Ländern obligatorisch.
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.
B1 noun ˌɔː.ɡən.aɪˈzeɪ.ʃən

organization

Organisation
Meaning
An organized group of people with a particular purpose, such as a business or government department.
Example
The organization was officially inaugurated in 2024.
Die Organisation wurde 2024 offiziell eingeweiht.
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.
B2 adjective /ˈɔː.də.li/

Orderly

ordentlich; systematisch; friedlich
Meaning
well-organized; systematic; peaceful
Example
Please keep your desk orderly and clean.
Bitte halten Sie Ihren Schreibtisch ordentlich und sauber.
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.
B2 noun /ɑːks/

Ox

Ochse
Meaning
a large strong animal used for pulling heavy loads or plowing fields
Example
The farmer used an ox to plow the field.
Der Bauer benutzte einen Ochsen, um das Feld zu pflügen.
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.
C2 adjective /ˌɔːfˈkiː/

off-key

falsch
Meaning
out of tune; not in accordance with expected standards
Example
The singer was slightly off-key during the performance.
Der Sänger war während der Aufführung leicht falsch.
A2 adverb /ˈɒbviəsli/

obviously

offensichtlich
Meaning
in a way that is easily perceived or understood; clearly
Example
Obviously, he didn’t read the instructions.
Offensichtlich hat er die Anweisungen nicht gelesen.
C1 adjective /ˌoʊvərˈrɔt/

overwrought

aufgeregt / übermäßig nervös
Meaning
extremely agitated or nervous; excessively elaborate
Example
She was too overwrought to speak clearly after the accident.
Sie war nach dem Unfall zu aufgeregt, um klar zu sprechen.
B2 adverb /ˈoʊpənli/

Openly

offen; öffentlich
Meaning
in a frank and honest way; without concealment; publicly
Example
She spoke openly about her struggles with mental health.
Sie sprach offen über ihre Kämpfe mit der psychischen Gesundheit.
A2 verb /ˈɔːfər/

offer

anbieten
Meaning
to present something for acceptance or rejection; to propose
Example
She offered to help with the project.
Sie bot an, bei dem Projekt zu helfen.
B2 adverb /ˈəʊvəli/

overly

übermäßig
Meaning
to an excessive degree or extent
Example
She was overly concerned about the results.
Sie war übermäßig besorgt über die Ergebnisse.
C1 adjective /ˌɒbsəˈliːt/

obsolete

veraltet
Meaning
No longer in use or out of date.
Example
Floppy disks are now completely obsolete.
Floppy-Disks sind jetzt völlig veraltet.
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.
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.
C2 noun /ˌɔːrdɪˈneɪʃən/

ordination

ordination
Meaning
The ceremony of conferring holy orders or official religious authority.
Example
The church held a special service for the ordination of new priests.
Die Kirche hielt einen speziellen Gottesdienst zur Ordination neuer Priester ab.
B2 noun ˈəʊ.və.hed

overhead

Gemeinkosten
Meaning
Ongoing business expenses not directly attributable to creating a product or service.
Example
The company reduced its overhead to increase profits.
Das Unternehmen reduzierte seine Gemeinkosten, um den Gewinn zu steigern.
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.
C2 noun /əbˈsɪdiən/

obsidian

obsidian (dunkler, glasartiger Vulkangestein)
Meaning
A hard, dark, glasslike volcanic rock formed by rapid solidification of lava.
Example
The knife was made from sharp obsidian.
Das Messer war aus scharfem Obsidian gemacht.
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 adverb /əˈfɪʃəli/

officially

offiziell
Meaning
in a formal or authorized way
Example
The building was officially opened by the mayor.
Das Gebäude wurde offiziell vom Bürgermeister eröffnet.
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.
C2 noun /ˈɔːrɪndʒfɪn ˈleɪbiːoʊ/

Orangefin labeo

Orangeflossen-Labeo
Meaning
a freshwater fish species native to South Asian rivers, commonly found in Bangladesh and India
Example
The orangefin labeo is an important food fish in Bangladesh.
Der Orangeflossen-Labeo ist ein wichtiger Speisefisch in Bangladesch.
B1 adjective, adverb /ˈoʊvərɔːl/

overall

insgesamt
Meaning
in general or as a whole
Example
Overall, the project has been successful.
Insgesamt war das Projekt erfolgreich.
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.
C1 adjective /ˈəʊnərəs/

onerous

beschwerlich
Meaning
involving a great deal of effort, difficulty, or burden
Example
Fulfilling the contract proved to be an onerous task for the company.
Die Erfüllung des Vertrags erwies sich als eine beschwerliche Aufgabe für das Unternehmen.
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.
C2 noun /ˈoʊpiət/

opiate

Opiat
Meaning
a drug containing opium or its derivatives, used to relieve pain or cause sleep
Example
The doctor prescribed an opiate to relieve the patient's pain.
Der Arzt verschrieb dem Patienten ein Opiat, um die Schmerzen zu lindern.
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.
C1 adjective /ˌaʊt ən ˈaʊt/

out-and-out

vollständig
Meaning
complete; absolute; used to emphasize something extreme
Example
The speech was an out-and-out lie.
Die Rede war eine vollständige Lüge.
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.
B2 adjective, verb /əbˈskjʊr/

obscure

dunkel
Meaning
Not clearly expressed or understood; to make something difficult to see or understand.
Example
The meaning of the poem was obscure to most readers.
Die Bedeutung des Gedichts war für die meisten Leser unklar.
B2 adjective /ˈɔː.rəl/

Oral

mündlich; bezogen auf den Mund
Meaning
spoken rather than written; relating to the mouth
Example
The oral examination will test your speaking skills.
Die mündliche Prüfung wird Ihre Sprechfähigkeiten testen.