officer
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B1 noun /ˈɔːfɪsər/

officer

офицер
Meaning
a person in a position of authority, especially in law enforcement
Example
The officer gave him a ticket for speeding.
Офицер выписал ему штраф за превышение скорости.
C1 noun /ˈoʊ.vər spɪl/

Over-spill

перелив
Meaning
the overflow of liquid from a container; excess that cannot be contained
Example
The overspill from the river flooded nearby farms.
Перелив реки затопил соседние фермы.
C1 verb /aʊtˈlɪv/

outlive

пережить
Meaning
to live longer than someone or something else
Example
She outlived all her siblings.
Она пережила всех своих братьев и сестер.
C2 noun /ˈɒfərtɔːri/

offertory

приношение
Meaning
The part of a religious service when offerings are collected; the offering itself.
Example
The offertory was taken during the Sunday service.
Приношение было собрано во время воскресной службы.
C2 noun /ˈɒkjʊlɪst/

oculist

окулист
Meaning
An old-fashioned term for an eye doctor or ophthalmologist.
Example
The village oculist was known for treating various eye diseases.
Деревенский окулист был известен лечением различных заболеваний глаз.
C1 noun /ɔːr/

Oar

весло
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.
Он опустил весло в воду и потянул лодку вперед.
C2 noun /ˈɔːrdʒi/

orgy

орги
Meaning
A wild party involving excessive indulgence, especially of a sexual nature.
Example
The novel described a scandalous orgy in a wealthy mansion.
Роман описал скандальную оргии в богатом особняке.
C2 noun /ɑːlˈfækʃən/

olfaction

обоняние
Meaning
The sense of smell; the process of detecting and perceiving odors.
Example
Dogs have a highly developed sense of olfaction.
У собак хорошо развиты обоняние.
C2 noun /ˌɒktədʒəˈnɛəriən/

octogenarian

октогенарий
Meaning
A person who is between 80 and 89 years old.
Example
The octogenarian still jogs every morning to stay healthy.
Октогенарий все еще бегает каждое утро, чтобы оставаться здоровым.
C1 adjective /ˌəʊvərˈstɪmjʊˌleɪtɪd/

overstimulated

Meaning
Excessively excited or aroused, overwhelmed by too much stimulus.
Example
Overstimulated minds can lead to burnout and decreased productivity.
A1 pronoun /aʊərz/

ours

наш
Meaning
belonging to or associated with us
Example
This victory is ours.
Эта победа наша.
C1 verb /ˌaʊtˈduː/

outdo

превзойти
Meaning
To do better than someone else; to surpass.
Example
She always tries to outdo her classmates in exams.
Она всегда пытается превзойти своих одноклассников на экзаменах.
C2 adjective /ˌɔːfˈkiː/

off-key

не в ноте
Meaning
out of tune; not in accordance with expected standards
Example
The singer was slightly off-key during the performance.
Певец был немного не в ноте во время выступления.
C2 verb /əˈkluːd/

occlude

закрывать
Meaning
To block or close up an opening or passage.
Example
The pipe was occluded by mineral deposits.
Трубопровод был заблокирован минеральными отложениями.
B2 adjective /ˈɒp.tɪ.məl/

optimal

оптимальный, наиболее подходящий
Meaning
Best or most favorable; the most effective under particular conditions.
Example
The optimal temperature for plant growth is around 25°C.
Оптимальная температура для роста растений составляет около 25°C.
C1 noun /əˈfen.dər/

Offender

правонарушитель; нарушитель закона
Meaning
a person who commits an illegal act; someone who breaks the law
Example
The young offender was sentenced to community service.
Молодой правонарушитель был приговорен к общественным работам.
B2 noun /ɒpˈtɪʃən/

optician

оптик
Meaning
A person who makes or sells glasses and contact lenses.
Example
The optician adjusted my new glasses to fit better.
Оптик подстроил мои новые очки так, чтобы они сидели лучше.
B2 adjective /əˈpəʊzd/

opposed

противоположный
Meaning
being against or in disagreement with something
Example
She is strongly opposed to animal testing.
Она решительно против испытаний на животных.
C2 adjective /əbˈstrɛpərəs/

obstreperous

шумный и трудный для контроля
Meaning
Noisy and difficult to control.
Example
The obstreperous students disrupted the class.
Шумные студенты нарушили урок.
B1 verb /ˈɒpəreɪtɪŋ/

operating

оперирующий
Meaning
to control or manage the functioning of something
Example
The company has been operating in this market for five years.
Компания работает на этом рынке уже пять лет.
C1 verb /ˌoʊvərˈpaʊər/

overpower

побеждать
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.
Солдаты смогли победить вражеские силы.
C1 adjective /ˌaʊt əv ðə ˈweɪ/

out-of-the-way

удалённый или необычный
Meaning
remote or unusual; not in a convenient or usual location
Example
They stayed in an out-of-the-way village.
Они остались в удалённой деревне.
B1 adjective /ˌoʊvərˈweɪt/

overweight

избыточный вес
Meaning
heavier than is considered healthy or normal
Example
The doctor advised him to lose weight as he was overweight.
Врач посоветовал ему сбросить вес, так как он был с избыточным весом.
C1 noun /ˈɑd.ɪ.ti/

Oddity

странность
Meaning
something that is strange or unusual; a peculiar trait
Example
His habit of sleeping standing up was considered an oddity.
Его привычка спать стоя считалась странностью.
A2 noun /ˈoʊpənɪŋ/

opening

открытие
Meaning
an act or instance of beginning something
Example
The opening of the new store was a huge success.
Открытие нового магазина стало большим успехом.
C1 noun /ˈɒfʃuːt/

offshoot

ответвление
Meaning
A branch or result that develops from something larger or more important.
Example
The startup was an offshoot of a major tech company.
Стартап был ответвлением от крупной технологической компании.
B2 noun ˈɔː.bɪt

orbit

орбита
Meaning
The curved path of a celestial object around a star, planet, or moon.
Example
The satellite maintains its orbit around Earth.
Спутник поддерживает свою орбиту вокруг Земли.
B2 noun/verb /ˈaʊtreɪdʒ/

outrage

возмущение
Meaning
A strong feeling of anger and shock; to arouse anger or shock.
Example
The unfair decision caused public outrage.
Несправедливое решение вызвало общественное возмущение.
B2 noun /ˈaʊt.laɪn/

Outline

контур; план; схема
Meaning
a general description or plan showing the essential features of something; the main points
Example
The teacher provided an outline of the course syllabus.
Учитель предоставил контур учебного плана курса.
A2 noun /ˈʌn.jən/

Onion

лук
Meaning
a round vegetable with a strong taste and smell, made up of many layers
Example
I need to chop some onions for the curry recipe.
Мне нужно порезать несколько луковиц для рецепта карри.
C1 adjective /ˈɒptɪk/

optic

оптический
Meaning
Relating to the eye or vision.
Example
The optic nerve carries signals from the eye to the brain.
Оптический нерв передает сигналы от глаза к мозгу.
C1 noun /ˌɒbstəˈtrɪʃən/

obstetrician

акушер-гинеколог
Meaning
A doctor specializing in pregnancy, childbirth, and women's reproductive health.
Example
The obstetrician monitored the mother’s health throughout the pregnancy.
Акушер-гинеколог следил за здоровьем матери на протяжении всей беременности.
C2 adjective /ˈoʊ.pən ˈhæn.dɪd/

Open-handed

щедрый; либеральный
Meaning
Generous; liberal; giving freely;
Example
He is very open-handed with his money and always helps those in need.
Он очень щедрый со своими деньгами и всегда помогает нуждающимся.
C1 noun /ˈɑn.set/

Onset

начало; старт
Meaning
the beginning or early stages of something; the start of a medical condition
Example
The onset of winter brought heavy snowfall.
Начало зимы принесло сильный снегопад.
C1 noun /əbˈzɜːrvətɔːri/

observatory

обсерватория
Meaning
A building equipped for observing astronomical or meteorological events.
Example
The observatory is open to the public on weekends.
Обсерватория открыта для посетителей по выходным.
C2 verb /əbˈtruːd/

obtrude

вторгаться
Meaning
to force oneself or one's ideas into a situation uninvited or inappropriately
Example
He didn’t want to obtrude into their private conversation.
Он не хотел вторгаться в их личный разговор.
B2 adverb /ˈəʊvəli/

overly

чрезмерно
Meaning
to an excessive degree or extent
Example
She was overly concerned about the results.
Она была чрезмерно обеспокоена результатами.
B2 noun /ˈaʊt.breɪk/

Out-break

вспышка
Meaning
a sudden occurrence or eruption of something, especially disease or violence
Example
The outbreak of flu affected many students in the school.
Вспышка гриппа повлияла на многих учащихся в школе.
B2 noun /ˈɒfərɪŋ/

offering

предложение
Meaning
something that is given, especially as a gift or contribution
Example
The company’s latest offering is an eco-friendly car.
Последнее предложение компании - это экологически чистый автомобиль.
B2 adverb /ˌoʊvərˈnaɪt/

Overnight

за ночь; внезапно; очень быстро
Meaning
during the night; suddenly; very quickly
Example
The city was transformed overnight.
Город был преобразован за ночь.
C1 verb /ˌaʊtˈstrɛtʃ/

outstretch

растягивать
Meaning
To extend or stretch something outward.
Example
He outstretched his hand to help her up.
Он протянул руку, чтобы помочь ей встать.
A2 adverb /ˈɒbviəsli/

obviously

очевидно
Meaning
in a way that is easily perceived or understood; clearly
Example
Obviously, he didn’t read the instructions.
Очевидно, он не прочитал инструкции.
B2 adjective /ˈɒnɡəʊɪŋ/

ongoing

в процессе
Meaning
continuing; still in progress
Example
The ongoing project will finish next month.
Текущий проект будет завершён в следующем месяце.
C1 adjective /əbˈstrʌk.tɪv/

Obstructive

обструктивный
Meaning
deliberately creating difficulties or preventing progress; hindering or blocking something
Example
The obstructive policies hindered economic growth.
Обструктивные политики препятствовали экономическим росту.
C1 noun ˌɒb.səˈlɛs.əns

obsolescence

устаревание
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.
Быстрое развитие технологий приводит к устареванию старых устройств.
C2 adjective /ˈɑːbdjʊrət/

obdurate

упертый
Meaning
Stubbornly refusing to change one's opinion or course of action.
Example
He remained obdurate despite everyone's pleas.
Он остался упертым, несмотря на просьбы всех.
B2 noun /əˈpoʊ.nənt/

Opponent

оппонент; соперник
Meaning
a person who disagrees with or resists a proposal or practice; someone who competes against another
Example
The chess player defeated his strongest opponent.
Шахматист победил своего самого сильного оппонента.
C2 noun /ˈəʊpəs/

opus

творческое произведение
Meaning
A creative work, especially a large and important piece of music or art.
Example
The composer considered the symphony his greatest opus.
Композитор считал симфонию своим величайшим творческим произведением.
B2 adverb /əˈfɪʃəli/

officially

официально
Meaning
in a formal or authorized way
Example
The building was officially opened by the mayor.
Здание было официально открыто мэром.
B2 adjective /aʊtˈstændɪŋ/

outstanding

выдающийся
Meaning
extremely good or impressive; not yet resolved or paid
Example
She received an award for her outstanding performance.
Она получила награду за свою выдающуюся работу.
C2 noun /ˈoʊvərlɔːrd/

overlord

повелитель
Meaning
A ruler, master, or person of great power and authority over others.
Example
The peasants were forced to pay taxes to their overlord.
Крестьяне были вынуждены платить налоги своему повелителю.
C2 adjective /ˈɑːsɪˌfaɪd/

ossified

превращенный в кость, жесткий
Meaning
Turned into bone or become rigid; unwilling to change.
Example
The company had an ossified management structure that resisted innovation.
Компания имела жесткую структуру управления, которая сопротивлялась инновациям.
C1 noun ˌɒp.tɪ.maɪˈzeɪ.ʃən

optimization

оптимизация
Meaning
Improving processes to increase performance and efficiency.
Example
SEO optimization helps websites rank higher on search engines.
SEO оптимизация помогает веб-сайтам занимать более высокие позиции в поисковых системах.
B2 noun ˈaʊt.pʊt

output

производство
Meaning
The amount of something produced by a person, machine, or industry.
Example
Climate change reduces agricultural output.
Изменение климата снижает сельскохозяйственное производство.
C2 adjective /ˌoʊdəˈrɪfərəs/

odoriferous

ароматный
Meaning
having or giving off a smell, especially a strong or pleasant one
Example
The garden was filled with odoriferous flowers.
Сад был наполнен ароматными цветами.
C1 adjective /ˌɒstɛnˈteɪʃəs/

ostentatious

претенциозный
Meaning
Characterized by a showy or pretentious display intended to impress others.
Example
He wore an ostentatious gold chain to the party.
Он носил на вечеринке претенциозную золотую цепочку.
A2 noun /ˈoʊ.ʃən/

ocean

океан
Meaning
A very large expanse of sea, especially the main areas of sea between continents.
Example
The ocean covers more than 70% of the Earth's surface.
Океан покрывает более 70% поверхности Земли.
A1 pronoun, noun, adjective /wʌn/

one

один
Meaning
the number equivalent to the sum of zero and one; a single person or thing
Example
Only one student answered the question.
Только один студент ответил на вопрос.
B1 noun /ˈɑː.lɪv/

Olive

олива
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.
Оливковое масло считается одним из самых полезных для здоровья масел для готовки.
A1 noun/adjective/adverb /ˌaʊtˈsaɪd/

outside

снаружи
Meaning
the external part or surface of something; beyond the boundary
Example
Children were playing outside in the yard.
Дети играли на улице в саду.
C1 verb /ˌaʊtˈstrɪp/

outstrip

опережать
Meaning
To go faster or do better than someone or something; to surpass.
Example
The company outstripped its competitors in sales last year.
Компания превзошла своих конкурентов по продажам в прошлом году.
C2 verb /əbˈvɜːrt/

obvert

перевернуть
Meaning
To turn something so as to face in a different direction; in logic, to convert a proposition by negating both subject and predicate.
Example
The teacher asked the students to obvert the statement for practice.
Учитель попросил студентов преобразовать утверждение для практики.
C2 adjective /ɒmˈnɪp.ə.tənt/

omnipotent

всемогущий
Meaning
Having unlimited power; able to do anything; all-powerful.
Example
In many religions, God is considered omnipotent.
Во многих религиях Бога считают всемогущим.
B1 verb অকার্স

occurs

происходит
Meaning
Happens or takes place, especially as a result of something.
Example
Snowfall occurs in regions with freezing temperatures.
Снегопад происходит в регионах с температурой ниже нуля.
A2 verb /ˈɔːfər/

offer

предлагать
Meaning
to present something for acceptance or rejection; to propose
Example
She offered to help with the project.
Она предложила помочь с проектом.
B1 verb /ˈɒpəreɪt/

operate

оперировать
Meaning
to function; to control or manage; to perform surgery
Example
The surgeon will operate on the patient tomorrow.
Хирург будет оперировать пациента завтра.
B2 verb /ɒpt/

opt

выбирать
Meaning
to choose or decide to do something instead of something else
Example
Many students opt to study abroad for better opportunities.
Многие студенты выбирают учёбу за границей ради лучших возможностей.
C2 noun /əˈblɪkwɪti/

obliquity

кривизна
Meaning
Deviation from moral or usual conduct; indirectness or lack of straightforwardness.
Example
The politician was criticized for the obliquity of his answers.
Политика был критикован за кривизну его ответов.
B2 noun /ˈɒt.ər/

Otter

выдра
Meaning
a mammal with webbed feet that lives near water and feeds on fish
Example
The playful otter swam gracefully in the river.
Игривая выдра плавала грациозно в реке.
C2 adjective /ˈɔːrəˌtʌnd/

orotund

глубокий и ясный голос
Meaning
full, rich, and clear in sound; pompous in style
Example
The actor's orotund voice filled the theater.
Глубокий голос актера наполнил театр.
C1 noun /ˈɑːdəsi/

odyssey

долгое путешествие
Meaning
a long, adventurous journey; a series of experiences
Example
Her career has been an odyssey of challenges and achievements.
Её карьера была одиссеей из испытаний и достижений.
C1 noun /ˌɒk.sɪ.dʒɪˈneɪ.ʃən/

oxygenation

поставка или лечение кислородом
Meaning
The process of supplying or treating with oxygen.
Example
Deep breathing exercises improve oxygenation of the body.
Упражнения на глубокое дыхание улучшают кислородоснабжение тела.
A2 noun /ˈɒm.lət/

Omelet

омлет
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.
Она приготовила сырный омлет на завтрак.
B1 noun /ˌɑk.jəˈpeɪ.ʃən/

Occupation

профессия; занятие; захват
Meaning
a job or profession; the action of taking control of a place
Example
Teaching is her chosen occupation.
Преподавание - это ее избранная профессия.
C2 noun /ˌɒn.əˌmæt.əˈpiː.ə/

onomatopoeia

ономатопея
Meaning
The formation of a word from a sound associated with what is named.
Example
The word 'buzz' is an example of onomatopoeia.
Слово 'жужжание' является примером ономатопеи.
C1 verb /ˌoʊvərˈʃædoʊ/

overshadow

затмить
Meaning
to appear more important or significant than something else, reducing its impact
Example
The scandal overshadowed his achievements.
Скандал затмел его достижения.
B1 noun /ˈɑp.ʃən/

Option

опция
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.
У вас есть опция работать из дома или из офиса.
C2 noun /oʊd/

ode

ода
Meaning
a lyrical poem, often expressing praise or strong emotions
Example
The poet wrote an ode to the beauty of nature.
Поэт написал оду о красоте природы.
C1 adjective /ˌɒbsəˈliːt/

obsolete

устаревший
Meaning
No longer in use or out of date.
Example
Floppy disks are now completely obsolete.
Флоппи-диски теперь полностью устарели.
A1 verb, adjective /oʊn/

own

владеть
Meaning
to possess something; belonging to oneself
Example
She owns a beautiful house in the city.
Она владеет красивым домом в городе.
B2 verb /ˌoʊvərˈsiː/

oversee

наблюдать
Meaning
to supervise or watch over something; to manage and direct
Example
The manager will oversee the entire construction project.
Менеджер будет следить за всем строительным проектом.
B2 noun /ˈaʊtˌskɜːrt/

outskirt

окраина города
Meaning
the outer edge or border of a town or city
Example
They built a new factory on the outskirts of the city.
Они построили новый завод на окраине города.
C2 noun ˌɒbfəsˈkeɪʃən

obfuscation

обфускация, путаница
Meaning
The action of making something obscure, unclear, or unintelligible.
Example
The obfuscation of the data made it difficult to interpret.
Обфускация данных затруднила их интерпретацию.
C2 noun /ˌɑːpərˈtuːnɪzəm/

opportunism

оппортунизм
Meaning
The practice of taking advantage of opportunities regardless of principles or ethics.
Example
His decision was driven by opportunism, not values.
Его решение было вызвано оппортунизмом, а не ценностями.
C1 adjective /ˌəʊ.vərˈɑː.tʃɪŋ/

overarching

всеобъемлющий, охватывающий, интегральный
Meaning
Comprehensive or all-embracing; forming an arch over something.
Example
The overarching theme of the book is human resilience.
Основная тема книги - человеческая стойкость.
C1 noun əˈblɪv.i.ən

oblivion

забвение, уничтожение, исчезновение
Meaning
The state of being unaware or unconscious of what is happening; complete forgetfulness.
Example
His name faded into oblivion over time.
Его имя исчезло в забвении с течением времени.
C1 adjective /ˌɒmnɪˈprezənt/

omnipresent

вездесущий
Meaning
(of God) present everywhere at the same time.
Example
Social media has become an omnipresent force in modern society.
Социальные сети стали вездесущей силой в современном обществе.
C2 adjective /əˈrækjələr/

oracular

оракульный
Meaning
Resembling an oracle; giving wise, mysterious, or prophetic statements
Example
Her oracular words left the audience deep in thought.
Ее оракульные слова заставили аудиторию задуматься.
C2 noun /ɒmˈnɪpətəns/

omnipotence

всемогущество
Meaning
The quality of having unlimited power or authority.
Example
Many religions describe God’s omnipotence as absolute.
Многие религии описывают всемогущество Бога как абсолютное.
B2 noun /ˌɒpəˈzɪʃən/

opposition

оппозиция
Meaning
the action of opposing or resisting something
Example
The opposition to the new law was strong.
Оппозиция новому закону была сильной.
B2 noun ˈəʊ.və.hed

overhead

накладные расходы
Meaning
Ongoing business expenses not directly attributable to creating a product or service.
Example
The company reduced its overhead to increase profits.
Компания сократила накладные расходы, чтобы увеличить прибыль.
C1 adjective /ˈɔːrθədɑːks/

orthodox

ортодоксальный
Meaning
conforming to traditional beliefs or practices
Example
He comes from a very orthodox family.
Он родом из очень ортодоксальной семьи.
B2 noun /ˌɒb.zəˈveɪ.ʃənz/

observations

наблюдение
Meaning
The action or process of observing something carefully.
Example
Observations of distant galaxies provide new insights.
Наблюдения за удалёнными галактиками дают новые идеи.
C1 verb ˈɔː.kɪ.streɪ.tɪd

orchestrated

срежиссирован
Meaning
Planned or coordinated carefully and deliberately.
Example
The attacks were orchestrated with precision.
Атаки были срежиссированы с точностью.
C1 noun /ˈaʊtpoʊst/

outpost

передовой пост
Meaning
A small military camp or position at some distance from the main force, used especially as a guard.
Example
The soldiers were stationed at a remote outpost.
Солдаты были размещены на удаленном передовом посту.
C2 noun /ˌɔːrnɪˈθɑːlədʒi/

ornithology

орнитология
Meaning
the scientific study of birds
Example
She pursued ornithology to understand the migration patterns of birds.
Она изучала орнитологию, чтобы понять миграционные паттерны птиц.
C1 noun ˈoʊʃən əˌsɪdɪfɪˈkeɪʃən

ocean acidification

кислотification океана
Meaning
The ongoing decrease in the pH of the Earth's oceans, caused by the absorption of carbon dioxide from the atmosphere.
Example
Ocean acidification is caused by atmospheric CO2 absorption.
Кислотность океанов вызвана поглощением CO2 из атмосферы.
C1 noun /əˈpreʃ.ən/

Oppression

угнетение; насилие; тирания;
Meaning
cruel or unjust treatment or exercise of authority; the state of being subject to harsh treatment
Example
The people fought against political oppression.
Люди боролись против политического угнетения.
C1 verb /aʊst/

oust

отстранить
Meaning
To remove someone from a position or place of power or authority.
Example
The rebels ousted the dictator from power.
Повстанцы отстранили диктатора от власти.
C1 noun/verb /ˈoʊvərˌhæŋ/

overhang

выступ
Meaning
To extend outward and hang over something; a projecting part.
Example
The roof overhang provides shade in the summer.
Крыша оверхэнга обеспечивает тень летом.
C1 noun /əˈkɜr.əns/

Occurrence

случай
Meaning
an instance or event of something happening; the fact of occurring
Example
The occurrence of earthquakes is common in this region.
Происшествия землетрясений распространены в этом регионе.
B2 noun /ˈoʊvərpæs/

overpass

эстакада
Meaning
A bridge that carries one road or railway over another.
Example
The new overpass reduced traffic congestion in the city.
Новая эстакада уменьшила заторы на дорогах города.
C2 noun /əbˈstrʌkʃənɪst/

obstructionist

Meaning
a person who deliberately delays or prevents progress by being uncooperative or oppositional
Example
The obstructionist in the committee kept delaying the decision-making process.
C2 noun /oʊf/

Oaf

неуклюжий, глупый или бесчувственный человек
Meaning
a clumsy, stupid, or insensitive person
Example
Don't be such an oaf - handle the dishes carefully!
Не будь таким офом – аккуратно моешь посуду!
B2 noun /ˈɔr.fən/

Orphan

сирота
Meaning
a child whose parents are dead; someone without protective support
Example
The orphan was adopted by a loving family.
Сирота был усыновлён любящей семьёй.
B2 verb /əˈfend/

offend

оскорблять
Meaning
to cause displeasure or resentment; to hurt someone's feelings
Example
His rude comments offended many people at the meeting.
Его грубые комментарии оскорбили многих людей на встрече.
B2 noun /əbˈzɜːvər/

observer

наблюдатель
Meaning
a person who watches or notices something
Example
The observer took notes during the meeting.
Наблюдатель сделал заметки во время встречи.
C1 adjective /ˈɒm.ɪ.nəs/

Ominous

зловещий; угрожающий
Meaning
giving the impression that something bad will happen; threatening; foreboding
Example
The dark clouds looked ominous before the storm.
Тёмные облака казались зловещими перед штормом.
C1 verb /əbˈstrʌkt/

obstruct

преграждать
Meaning
to block or hinder progress; to prevent or impede movement
Example
The fallen tree obstructed the road for several hours.
Павшее дерево перегородило дорогу на несколько часов.
C1 noun /ˈɑːlɪˌɡɑːrki/

oligarchy

олигархия
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.
Страну управляла богатая олигархия, контролировавшая все ресурсы.
A1 adverb /ˈɔːfən/

often

часто
Meaning
frequently, many times
Example
I often visit my grandparents on weekends.
Я часто посещаю своих бабушку и дедушку на выходных.
C1 verb /əbˈsɛs/

obsess

одержимость
Meaning
To preoccupy or fill the mind of someone continually and to an excessive degree.
Example
She tends to obsess over small details.
Она склонна зацикливаться на мелочах.
C2 noun /əˈprəʊ.bri.əm/

opprobrium

осуждение, позор
Meaning
Harsh criticism or public disgrace.
Example
The scandal brought opprobrium on the politician.
Скандал принес осуждение политику.
C1 noun /ˈaʊtriːtʃ/

outreach

расширение помощи
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.
Благотворительная организация запустила новую программу расширения помощи для бездомных.
A2 noun /ˈɒpərə/

opera

опера
Meaning
a dramatic performance in which the actors sing most of their lines
Example
We watched a beautiful opera at the theater last night.
Мы посмотрели красивую оперу в театре прошлой ночью.
C1 adjective /ɔːˈneɪt/

ornate

роскошный
Meaning
elaborately or highly decorated
Example
The palace hall was filled with ornate furniture and paintings.
Зал дворца был заполнен роскошной мебелью и картинами.
B2 noun, verb /ˈaʊtlɔː/

outlaw

изгой
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.
Правительство решило запретить вредную практику.
C1 verb /ˌoʊvərˈruːl/

overrule

отменить
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.
Судья отклонил возражение адвоката защиты.
C1 noun /ˈɔːrθədɑːksi/

orthodoxy

ортодоксия
Meaning
traditional or generally accepted beliefs and practices
Example
The religious leader defended the orthodoxy of the faith.
Религиозный лидер защищал ортодоксию веры.
C1 adverb /ˈɒp.tɪ.məl.i/

optimally

оптимально
Meaning
In the most effective or efficient way possible.
Example
Tasks should be allocated optimally for maximum output.
Задачи должны быть распределены оптимально для максимального результата.
A2 modal verb /ɔːt/

ought

следует
Meaning
Used to indicate duty, correctness, or moral obligation.
Example
You ought to respect your elders.
Тебе следует уважать старших.