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Vocabulary

19,295 words · meanings, pronunciation and origins · ranked by use

Letter
abcdefghijklmnopqrstuvwxyz
Level
A1A2A2+B1B1+B2B2+C1C2
Part of speech
nounverbadjectiveadverbprepositionpronounphrase

12,290 words · showing 7,381–7,440

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  • onslaught/ˈɒn.slɔːt/nounB2+A fierce sustained attack.
  • onus/ˈəʊnəs/nounC1The duty or blame that rests on somebody.
  • onyx/ˈɒnɪks/nounB2+A banded stone, often black, used in jewellery.
  • ooze/uːz/verbB22 meaningsTo flow out very slowly and thickly.
  • opacity/oʊˈpæsɪti/nounC2The quality of letting no light or sense through.
  • opal/ˈəʊpəl/
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noun
B2+
A stone that flashes with shifting colours.
  • open kitchennounB1A kitchen guests can watch as they eat.
  • open mindnounB2A readiness to consider what you do not already think.
  • open ratenounB2What share of an email's recipients opened it.
  • open waternounB2Swimming in a lake, a river or the sea.
  • opening/ˈəʊ.pə.nɪŋ/nounB24 meaningsThe first planned moves of a game, especially chess.
  • opening nightnounB2The first public performance of a production.
  • opennessnounB2+A readiness to be honest and to listen.
  • opera/ˈɒp.ə.ɹə/nounB2A play in which every word is sung, with an orchestra.
  • operating system/ˈɒpəˌɹeɪtɪŋ ˌsɪstəm/nounB2The program that runs the machine and everything on it.
  • operative/ˈɒpəɹətɪv/nounC12 meaningsA worker who operates a machine.
  • operator/ˈɒpəˌɹeɪtə/nounB2Somebody who works a machine or a service.
  • opinion/əˈpɪn.jən/nounB13 meaningsWhat somebody thinks about something.
  • opponent/əˈpəʊ.nənt/nounB22 meaningsThe person or team you are playing or competing against.
  • opposite/ˈɒp.ə.zɪt/adjectiveA13 meaningsCompletely different in nature or direction.
  • opposite directionnounB1The way that is exactly contrary to the one mentioned.
  • opposition/ˌɒp.əˈzɪʃ.ən/nounB22 meaningsThe parties in a parliament that are not in government.
  • oppression/əˈpɹɛʃən/nounC1Cruel and unjust use of power over people.
  • optician/ɒpˈtɪʃən/nounB1+The professional who tests eyes and fits glasses.
  • optimism/ˈɑptɪmɪzəm/nounC1The habit of expecting things to turn out well.
  • optimist/ˈɑptɪmɪst/nounB2+A person who tends to expect good outcomes.
  • option/ˈɒpʃən/nounA2+2 meaningsOne of the things you may choose.
  • optometrist/ɑpˈtɑmətɹɪst/nounB2+The professional who tests eyesight.
  • opulence/ˈɒp.jʊl.əns/nounC2Great wealth shown off in luxury.
  • oracle/ˈɔɹəkəl/nounB2+A person or place through which a god was said to answer.
  • orange/ˈɒɹɪnd͡ʒ/nounA12 meaningsA sweet citrus fruit.
  • orangutan/əˌɹæŋ.uːˈtæn/nounB1+A great red-haired ape of Borneo and Sumatra.
  • orator/ˈɒ.ɹə.tə(ɹ)/nounC1A skilled and powerful public speaker.
  • oratory/ˈɒɹət(ə)ɹi/nounC1The art of speaking well in public.
  • orbit/ˈɔː.bɪt/nounB1+2 meaningsThe path one body travels around another in space.
  • orbital/ɔː.bɪt.əl/adjectiveB2+2 meaningsTo do with the path one body takes around another.
  • orbiternounC1A craft that circles a world rather than landing on it.
  • orcanounC2The black and white whale that hunts in groups.
  • orchard/ˈɔː.tʃəd/nounC1A field of fruit trees planted in rows.
  • orchard keepernounB2The person who tends a plantation of fruit trees.
  • orchestra/ˈɔː.kɪs.tɹə/nounB2A large group of classical musicians.
  • orchestra pitnounC1The sunken space where players sit below a stage.
  • orchid/ˈɔː.kɪd/nounB2A flowering plant with elaborate blooms.
  • ordeal/ɔːˈdiːl/nounB2A painful experience that has to be got through.
  • order/ˈɔː.də/verbA17 meaningsTo ask for food, goods or a service to be brought or sent to you.
  • order ticketnounB2The printed slip telling the kitchen what to cook.
  • orders/ˈɔː.dəz/nounB12 meaningsInstructions that must be obeyed.
  • ordinance/ˈɔːdɪnəns/nounC1A rule made by a local authority.
  • ore/oɹ/nounB2+Rock or earth holding enough metal to make mining it worthwhile.
  • oregano/ˈɒɹɪˌɡɑːnəʊ/nounB1+A dried herb used in Mediterranean cooking.
  • org chartnounC1The diagram showing how an organisation is arranged.
  • organ/ˈɔːɡən/nounB23 meaningsA part of the body with a particular function, such as the heart or the liver.
  • organic farmingnounB2Growing food without artificial chemicals.
  • organic reachnounC1The audience you reach without paying for it.
  • organism/ˈɔː.ɡə.nɪ.zəm/nounB2Any single living thing.
  • organistnounB2Somebody who plays the large keyboard instrument in a church.
  • organization/ˌɔː.ɡə.naɪˈzeɪ.ʃən/nounB1A group of people working together under a structure.
  • organizer/ˈɔɹɡənaɪzɚ/nounB1+Somebody who arranges an event.
  • orient/ˈɔː.ɹɪ.ənt/nounC1The countries of the Far East, in older use.
  • orientation/ˌɔː.ɹi.ənˈteɪ.ʃən/nounB24 meaningsThe direction something faces or the way it is positioned.