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C2 adjective /ˈɒkjʊlər/

ocular

окулярный
Meaning
Relating to the eye or vision.
Example
The patient was referred to a specialist for ocular treatment.
Пациент был направлен к специалисту для окулярного лечения.
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.
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.
C2 noun /ˌɒstɛnˈteɪʃən/

ostentation

показуха
Meaning
excessive display of wealth or knowledge intended to attract admiration or envy
Example
The billionaire’s party was full of ostentation and luxury.
Вечеринка миллиардера была полна показухи и роскоши.
C2 verb /oʊˈpaɪn/

opine

выразить мнение
Meaning
to express an opinion or belief
Example
The professor opined that the policy would fail.
Профессор выразил мнение, что политика провалится.
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.
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.
A2 adjective /ˈɔː.dɪ.nər.i/

Ordinary

обычный; нормальный; не особенный
Meaning
normal; usual; not special
Example
It was just an ordinary day at the office.
Это был просто обычный день в офисе.
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.
B2 noun /ˈaʊt.kʌm/

Outcome

результат; последствие;
Meaning
the result or consequence of an action or situation; the final product
Example
The outcome of the election surprised everyone.
Результат выборов удивил всех.
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.
A1 pronoun /ˈʌðərz/

others

другие
Meaning
people or things distinct from the ones already mentioned or known
Example
I like to spend time with others.
Мне нравится проводить время с другими.
B2 verb /ˌoʊvərˈloʊd/

overload

перегружать
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.
Не перегружайте стиральную машину, иначе она может сломаться.
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.
C1 adjective /ˌoʊvərˈrɔt/

overwrought

взволнованный / чрезмерно нервный
Meaning
extremely agitated or nervous; excessively elaborate
Example
She was too overwrought to speak clearly after the accident.
Она была слишком взволнована, чтобы говорить ясно после аварии.
C1 verb əˈblɪt.ə.reɪt

obliterate

уничтожать
Meaning
To destroy utterly; wipe out completely, to erase or remove something completely.
Example
The storm obliterated entire villages.
Шторм уничтожил целые деревни.
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.
A2 noun /ˈɒbdʒɪkt/

object

объект
Meaning
a thing that can be seen and touched
Example
The table is an object in the room.
Стол — это объект в комнате.
C2 noun /ɔːrˈθɑːɡrəfi/

orthography

орфография
Meaning
The conventional spelling system of a language.
Example
English orthography can be confusing for learners.
Английская орфография может быть запутанной для учащихся.
C2 noun /ˈɒb.stɪ.nə.si/

obstinacy

упрямство
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.
Его упрямство сделало переговоры сложными.
B2 noun /ˈaʊt.saɪ.dər/

Out-sider

аутсайдер
Meaning
a person who does not belong to a particular group; someone not accepted by a group
Example
As an outsider, he found it difficult to understand their traditions.
Как аутсайдер, ему было трудно понять их традиции.
C1 adjective ˈɒb.stɪ.nət

obstinate

упрямый
Meaning
Refusing to change one's mind or accept others' advice easily.
Example
He remained obstinate despite the logical arguments.
Он остался упрямым, несмотря на логические аргументы.
B2 noun /ˌɑb.zɚˈveɪ.ʃən/

Observation

наблюдение
Meaning
the action of watching something carefully; a comment or remark
Example
The scientist made careful observations of the experiment.
Учёный тщательно наблюдал за экспериментом.
B1 noun /əˈkeɪ.ʒən/

Occasion

случай; особый повод
Meaning
a particular time or instance of an event; a special celebration
Example
Their wedding was a joyous occasion.
Их свадьба была радостным случаем.
B2 adjective /ˈɔː.də.li/

Orderly

упорядоченный; систематичный; мирный
Meaning
well-organized; systematic; peaceful
Example
Please keep your desk orderly and clean.
Пожалуйста, держите свой стол в порядке и чистоте.
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.
C2 verb /ˈɔːreɪt/

orate

ораторствовать
Meaning
To speak in a formal, often pompous manner
Example
He began to orate at the ceremony.
Он начал ораторствовать на церемонии.
B1 adjective /əˈkeɪ.ʒən.əl/

Occasional

случайный
Meaning
occurring infrequently or irregularly; happening from time to time
Example
She enjoys occasional walks in the park.
Она наслаждается случайными прогулками в парке.
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.
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.
A2 noun /ˈɔr.dər/

Order

приказ; порядок
Meaning
a command or instruction; the arrangement of things following a particular sequence
Example
The teacher gave an order to sit down quietly.
Учитель дал команду сесть спокойно.
B2 adjective /ˌɑːp.təˈmɪs.tɪk/

optimistic

оптимистичный
Meaning
hopeful and confident about the future
Example
She is optimistic about the success of her new project.
Она оптимистична относительно успеха своего нового проекта.
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.
B2 noun /ˌaʊtˈsaɪdə(r)/

outsider

аутсайдер
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.
Будучи новым студентом, она часто чувствовала себя аутсайдером в школе.
C2 noun /ˈɒrɪz(ə)n/

orison

молитва
Meaning
a prayer, especially a devout or formal one
Example
He whispered a quiet orison before going to sleep.
Он шептал тихую молитву перед сном.
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.
C1 adjective /ˈɔːrdɪnəl/

ordinal

порядковый
Meaning
Relating to the order or position of something in a sequence (first, second, third, etc.).
Example
The ordinal number 'third' indicates position in a sequence.
Число 'третий' порядковое указывает на позицию в последовательности.
C1 adjective /ˌaʊtˈspoʊkən/

Outspoken

откровенный
Meaning
frank; speaking directly
Example
She is known for being outspoken about social issues.
Она известна своей откровенностью по социальным вопросам.
C1 noun /əbˈdʒɛktər/

objector

опротестующий
Meaning
a person who expresses opposition or disapproval to something
Example
The objector raised his concerns during the town meeting.
Опротестующий выразил свои опасения во время собрания городского совета.
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.
A1 adjective /ˈɔːr.ɪndʒ/

Orange

оранжевый
Meaning
having a color between red and yellow like that of a ripe orange fruit
Example
The orange sunset painted the sky magnificently.
Оранжевый закат раскрасил небо великолепно.
C1 adjective /ˌəʊvərˈstɪmjʊˌleɪtɪd/

overstimulated

Meaning
Excessively excited or aroused, overwhelmed by too much stimulus.
Example
Overstimulated minds can lead to burnout and decreased productivity.
B2 noun /ˈaʊtskɜːrts/

outskirts

периферия города
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.
Они переехали на окраины города, чтобы жить спокойнее.
B2 noun /ɔːrˈɡæn.ɪk ˈfɑːr.mɪŋ/

organic farming

органическое сельское хозяйство
Meaning
Farming method that avoids synthetic chemicals and fertilizers, using natural methods instead.
Example
Organic farming improves soil health and reduces pollution.
Органическое земледелие улучшает здоровье почвы и снижает загрязнение.
C1 noun /oʊˈveɪʃən/

ovation

аплодисменты
Meaning
an enthusiastic show of approval, especially by clapping hands
Example
The actor received a standing ovation after his performance.
Актер получил стоячие аплодисменты после своего выступления.
C2 verb /ˌaʊtməˈnuːvər/

outmaneuver

перехитрить
Meaning
to gain an advantage over an opponent by skillful or clever action
Example
The smaller company managed to outmaneuver its larger rival.
Малая компания сумела перехитрить своего большого соперника.
C2 noun /ˈɒlɪv brɑːntʃ/

olive-branch

оливковая ветвь
Meaning
A symbol of peace or reconciliation; an offer to end conflict.
Example
He extended an olive-branch to his rival after years of hostility.
Он протянул оливковую ветвь своему сопернику после многих лет вражды.
C1 noun ɔːrˈdiːl

ordeal

тяжелое испытание
Meaning
A physical or mental painful experience that must be endured
Example
Surviving the wilderness was a tough ordeal for them.
Выжить в дикой природе было тяжелым испытанием для них.
C2 adjective /ˌɒbsəˈlɛsnt/

obsolescent

устаревающий
Meaning
Becoming outdated or on the way to becoming obsolete.
Example
The obsolescent technology could not compete with modern devices.
Устаревающая технология не могла конкурировать с современными устройствами.
C1 verb ˈɔːr.kɪ.streɪt

orchestrate

координировать
Meaning
To plan or coordinate the elements of (a situation) to produce a desired effect, especially surreptitiously.
Example
He skillfully orchestrated the entire event.
Он ловко оркестровал все мероприятия.
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.
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.
C1 adjective /ˈaʊt.kɑːst/

Outcast

изгнанник
Meaning
rejected by society; excluded person
Example
He felt like an outcast in his new school.
Он чувствовал себя как изгнанник в своей новой школе.
A2 noun /ˈoʊ.nər/

Owner

владелец
Meaning
a person who owns something; someone who has legal possession of property
Example
The owner of the restaurant greeted us warmly.
Владелец ресторана тепло нас поприветствовал.
A2 noun /əˈlɪmpɪks/

olympics

Олимпийские игры
Meaning
an international sports competition held every four years with athletes from many countries
Example
The Olympics bring athletes from all over the world together.
Олимпийские игры собирают спортсменов со всего мира.
C1 verb /əˈfɪʃieɪt/

officiate

вести
Meaning
To perform official duties, especially in a ceremony or as a referee.
Example
The priest will officiate the wedding ceremony.
Священник будет совершать церемонию бракосочетания.
C1 noun /ˈaʊtˌɡroʊθ/

outgrowth

развитие
Meaning
something that grows out of something else; a natural development or result
Example
The new policy was an outgrowth of years of debate.
Новая политика стала развитием многолетних дебатов.
C2 noun /ˌɑːbdʒərˈɡeɪʃən/

objurgation

строгий выговор
Meaning
a harsh scolding or strong rebuke
Example
His misconduct earned him a severe objurgation from the manager.
Его проступок вызвал строгий выговор от менеджера.
B2 noun /ˈɔːɡənɪzəm/

organism

организм
Meaning
a living thing that has an organized structure and can grow and reproduce
Example
Every organism needs water to survive.
Каждому организму нужна вода для выживания.
B2 noun /ˈɒs.trɪtʃ/

Ostrich

страус
Meaning
a large flightless bird native to Africa with long legs and neck
Example
The ostrich is the world's largest bird.
Страус - самая большая птица в мире.
B1 noun /ˈɑb.stə.kəl/

Obstacle

препятствие
Meaning
something that blocks or makes progress difficult; a barrier
Example
Bad weather was the main obstacle to our journey.
Плохая погода была главным препятствием на нашем пути.
C1 noun /ˈoʊvərˌtoʊn/

overtone

тонкая коннотация
Meaning
A subtle quality, implication, or additional meaning beyond the obvious.
Example
His speech had political overtones that were hard to ignore.
Его речь имела политические подтоны, которые было трудно игнорировать.
C1 adjective /oʊˈbiːs/

obese

тучный
Meaning
Extremely overweight; having an excessive amount of body fat.
Example
The doctor advised the obese patient to adopt a healthier lifestyle.
Доктор посоветовал толстому пациенту вести более здоровый образ жизни.
C2 adjective /ɑːlˈfæktəri/

olfactory

обонятельный
Meaning
Relating to the sense of smell.
Example
The perfume activated her olfactory nerves immediately.
Парфюм сразу активировал её обонятельные нервы.
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.
C2 noun /oʊˈbeɪsəns/

obeisance

поклон
Meaning
A gesture of respect such as a bow or curtsy.
Example
They bowed in obeisance to the king.
Они поклонились в знак почтения королю.
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 /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.
B1 adjective /ˌoʊvərˈsiːz/

overseas

за границей
Meaning
in or to a foreign country across the sea
Example
He went overseas for higher education.
Он поехал за границу для получения высшего образования.
B1 noun /ˌɒp.əˈtjuː.nə.ti/

opportunity

возможность
Meaning
A favorable chance or set of circumstances that makes it possible to do something.
Example
She seized the opportunity to study abroad.
Она воспользовалась возможностью учиться за границей.
B2 noun /əbˈsɛʃən/

obsession

одержимость
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.
Его одержимость успехом заставляла его работать день и ночь.
B2 adjective /əˈfen.sɪv/

Offensive

оскорбительный; агрессивный; обидный
Meaning
causing displeasure or resentment; insulting; aggressive
Example
His offensive remarks hurt everyone's feelings.
Его оскорбительные замечания ранили чувства всех.
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.
B1 adverb /əˈkeɪʒənəli/

Occasionally

иногда; время от времени;
Meaning
sometimes; from time to time; not regularly
Example
I occasionally visit my grandmother on weekends.
Я иногда навещаю свою бабушку по выходным.
B2 adjective + noun ˈɒptɪməl ˈtempərətʃər

optimal temperature

оптимальная температура
Meaning
The best or most favorable temperature for a particular purpose
Example
Winter provides optimal temperature for farming.
Зима предоставляет оптимальную температуру для сельского хозяйства.
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 noun /ˈɒstrəsɪzəm/

ostracism

остракизм
Meaning
The act of excluding someone from a group or society.
Example
The student faced ostracism after breaking the rules.
Студент столкнулся с острикатизмом после того, как нарушил правила.
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.
C1 adjective /ˈɒptɪkəl/

optical

оптический
Meaning
related to or used in seeing or sight
Example
The optical illusion fooled everyone at the exhibition.
Оптическая иллюзия обманула всех на выставке.
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 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 verb /uːz/

ooze

просачиваться
Meaning
to slowly flow or leak out through small openings or pores
Example
Blood began to ooze from the small cut.
Кровь начала просачиваться из маленькой царапины.
B2 noun /ˈaʊtbɜːrst/

outburst

внезапный всплеск эмоций или гнева
Meaning
a sudden release of strong emotion or activity
Example
She had an angry outburst during the meeting.
Она выразила свой гнев во время собрания.
B1 adjective /əˈfɪʃəl/

official

официальный
Meaning
relating to or connected with an authority or public office
Example
He is the official spokesperson for the company.
Он официальный представитель компании.
C1 adjective /əbˈdʒek.ʃən.ə.bəl/

Objectionable

неприемлемый
Meaning
arousing distaste or opposition; unpleasant or offensive
Example
His objectionable behavior made everyone uncomfortable.
Его неприемлемое поведение заставило всех чувствовать себя неловко.
B2 adjective /ˌoʊvərˈwɛlmɪŋ/

overwhelming

поражающий
Meaning
Very intense; overpowering.
Example
Large tasks can feel overwhelming.
Большие задачи могут казаться поражающими.
B2 noun /ɑːks/

Ox

бык
Meaning
a large strong animal used for pulling heavy loads or plowing fields
Example
The farmer used an ox to plow the field.
Фермер использовал быка для того, чтобы вспахать поле.
B2 verb /əˈrɪdʒɪneɪt/

originate

возникать
Meaning
to come into existence; to begin; to create or produce
Example
The tradition originated in ancient times.
Традиция возникла в древние времена.
B1 noun ˌɔː.ɡən.aɪˈzeɪ.ʃən

organization

организация
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.
Организация была официально открыта в 2024 году.
A2 noun əˈlɪm.pɪk ɡeɪmz

Olympic Games

олимпийские игры
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.
Олимпийские игры собирают лучших спортсменов мира.
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.
C1 adjective /ˈɒptɪməm/

optimum

оптимальный
Meaning
Most conducive to a favorable outcome; best.
Example
To achieve optimum results, we need to improve efficiency.
Для достижения оптимальных результатов нам нужно улучшить эффективность.
C1 adverb /ˈaʊtwədli/

Outwardly

внешне; на вид;
Meaning
on the surface; externally; in appearance
Example
Outwardly, he seemed calm, but inside he was nervous.
Внешне он казался спокойным, но внутри он был нервным.
C1 noun /ˌɑːk.sɪˈmɔːr.ɒn/

oxymoron

оксюморон
Meaning
a figure of speech where two contradictory terms are combined
Example
The phrase 'deafening silence' is a classic oxymoron.
Фраза 'оглушительная тишина' - классический оксюморон.
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.
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.
C2 noun /ˈoʊpiət/

opiate

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.
A1 adverb /wʌns/

Once

один раз; когда-то в прошлом
Meaning
one time only; at some time in the past; formerly
Example
I have been to Paris once in my life.
Я был в Париже один раз в своей жизни.
C1 adjective /ˌɔː.riˈen.təl/

Oriental

относящийся к странам Восточной Азии; восточный
Meaning
relating to the countries of East Asia; eastern
Example
The museum has a beautiful collection of oriental art.
В музее есть красивая коллекция восточного искусства.
C1 noun /ˈɒktɪv/

octave

Meaning
A series of eight musical notes, or the interval between one musical pitch and another with double its frequency.
Example
The singer's voice could easily reach the higher octave.
A2 adjective /ɒd/

Odd

странный; необычный; отличный от нормального или ожидаемого
Meaning
strange; unusual; different from what is normal or expected
Example
That's an odd way to solve the problem.
Это странный способ решения проблемы.
C1 verb /ˌoʊvərˈriːtʃ/

overreach

перегрузка
Meaning
to go beyond what is proper, acceptable, or achievable; to overextend
Example
The politician overreached by making promises he couldn't keep.
Политик перегрузил себя, пообещав то, чего не мог выполнить.
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.
C1 noun ˌɒk.sɪˈdeɪ.ʃən

oxidation

окисление
Meaning
A chemical reaction that involves the combination of a substance with oxygen, often causing deterioration.
Example
Oxidation causes metal surfaces to weaken.
Окисление ослабляет металлические поверхности.
B2 adjective ˌɒp.ərˈeɪ.ʃən.əl

operational

оперативный
Meaning
In working order; ready for use.
Example
The space project will be operational by 2025.
Космический проект будет операционным к 2025 году.
C1 noun /ɒpˈtɒmətri/

optometry

оптометрия
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.
Она изучала оптометрию в университете, чтобы стать специалистом по глазам.
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.
B2 noun /ˈɑp.tə.mɪst/

Optimist

оптимист
Meaning
a person who tends to be hopeful and confident about the future; someone who sees the good side of things
Example
As an optimist, she always believed things would improve.
Как оптимист, она всегда верила, что вещи улучшатся.
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.
C1 noun /ˈɔːrdɪnəns/

ordinance

устав
Meaning
An authoritative rule, law, or decree issued by a city, town, or authority.
Example
The city council passed an ordinance banning smoking in public parks.
Городской совет принял устав, запрещающий курение в общественных парках.
B1 noun /ˌɒpəˈreɪʃən/

operation

операция
Meaning
an act or process of functioning or operating
Example
The hospital performed a successful operation.
Больница провела успешную операцию.
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.
A1 adjective /oʊˈkeɪ/

ok

хорошо
Meaning
used to indicate agreement, approval, or understanding
Example
Okay, let's go to the park.
Хорошо, давай пойдем в парк.
B2 noun /ˈaʊtˌbreɪk/

outbreak

вспышка
Meaning
a sudden start or occurrence of something unpleasant, like disease or violence
Example
There was an outbreak of flu in the city.
В городе произошла вспышка гриппа.
B2 noun /ˈaʊtlʊk/

outlook

перспектива, прогноз
Meaning
a person's general attitude or view; a forecast or prospect
Example
The economic outlook for the year is positive.
Экономический прогноз на год положительный.
B2 noun /oʊk/

oak

дуб
Meaning
a large tree that produces acorns and has strong, hard wood
Example
The old oak tree provided shade for the entire yard.
Старый дуб давал тень для всего двора.
B2 noun /ˌɔː.ri.enˈteɪ.ʃən/

orientation

ориентация
Meaning
the process of becoming familiar with a new situation or environment
Example
The company provides an orientation for all new employees.
Компания предоставляет ориентирование для всех новых сотрудников.
B2 noun /ˌɑb.lɪˈɡeɪ.ʃən/

Obligation

обязанность
Meaning
a duty or commitment; something that must be done legally or morally
Example
Parents have an obligation to care for their children.
Родители обязаны заботиться о своих детях.
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.
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 /ˈɒfsɛt/

offset

компенсировать
Meaning
To counterbalance or compensate for something.
Example
The company's losses were offset by gains in other departments.
Убытки компании были компенсированы за счет прибыли в других отделах.