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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

19,295 words · showing 11,581–11,640

  • on the recordphraseC1Said in a way that may be quoted with your name.
  • on the same pagephraseB2Agreeing and understanding things the same way.
  • on the same wavelengthphraseB2Understanding each other without having to explain.
  • on the spur of the momentphraseB2Decided suddenly, with no planning at all.
  • on the tip of my tonguephraseB2Almost remembered, and refusing to arrive.
  • on the townphraseC1Out enjoying the bars and clubs of a city.
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  • on the wholephraseB2Generally speaking, ignoring the exceptions.
  • on thin icephraseB2In a risky position where one more mistake means trouble.
  • onboardingnounC1The process of settling a new employee in.
  • once bitten, twice shyphraseC1The saying: after being hurt, you are careful ever after.
  • once in a blue moon/wʌns ɪn ə bluː muːn/phraseB2Happening extremely rarely.
  • once in a whilephraseB1Not often, but sometimes.
  • once upon a time/ˈwʌns.əˈpɑn.əˈtaɪ̯m/phraseA2The traditional opening of a fairy tale, meaning at some time in the past.
  • once-overnounC12 meaningsA quick look over something to check or assess it.
  • oncomingadjectiveC1Approaching directly towards you.
  • one/wʌn/nounA13 meaningsThe number 1, the first and smallest whole counting number.
  • one of these daysphraseB2At some unspecified future time.
  • one-eyed/ˈwʌnˌaɪd/adjectiveB1Having only one working eye.
  • one-on-oneadjectiveB2Between just two people.
  • one-way/wʌn.weɪ/adjectiveB1Allowing travel in a single direction only — streets or tickets.
  • one-way streetnounB1A road where traffic may go in one direction only.
  • one-way systemnounB2A pattern of streets where traffic goes only one way.
  • onerous/ˈɒnəɹəs/adjectiveC1Involving a heavy and unwelcome burden.
  • oneself/wʌnˈsɛlf/pronounB1+The reflexive form of one, referring to people in general.
  • onesie/ˈwʌn.zi/nounB1A single garment covering the whole body, worn for comfort.
  • ongoing/ɒnˈɡəʊ.ɪŋ/adjectiveB2Still going on and not yet finished.
  • onion/ˈʌnjən/nounA2+A round layered vegetable used in cooking.
  • online/ˈɒnlaɪn/adjectiveA2+2 meaningsConnected to the internet.
  • online bankingnounB1Managing an account through a website.
  • only childnounA2A child with no brothers or sisters.
  • onset/ˈɒnˌsɛt/nounB2+2 meaningsThe beginning of something unpleasant.
  • onslaught/ˈɒn.slɔːt/nounB2+A fierce sustained attack.
  • onus/ˈəʊnəs/nounC1The duty or blame that rests on somebody.
  • onward/ˈɒnwəd/adverbB2+2 meaningsContinuing forward in space or time.
  • onwardsadverbB1+Continuing forward in space or time.
  • 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/nounB2+A stone that flashes with shifting colours.
  • opaque/əʊˈpeɪk/adjectiveB2+2 meaningsImpossible to see through; letting no light pass.
  • open/ˈəʊ.pən/verbA14 meaningsTo move a door, lid, or cover so that a thing can be got into or passed through.
  • open a can of wormsphraseC1To start something that creates many new problems.
  • open kitchennounB1A kitchen guests can watch as they eat.
  • open mindnounB2A readiness to consider what you do not already think.
  • open planadjectiveB2Having one big shared space instead of separate rooms.
  • open ratenounB2What share of an email's recipients opened it.
  • open source/ˈoʊpən ˌsɔɹs/phraseB2Software whose code is public and may be changed.
  • open waternounB2Swimming in a lake, a river or the sea.
  • open-endedadjectiveC1Having no fixed limit or set finish.
  • open-handedadjectiveC1Generous in giving.
  • open-minded/ˈəʊ.pən ˈmaɪn.dɪd/adjectiveB2Willing to consider ideas you do not hold.
  • opening/ˈəʊ.pə.nɪŋ/nounB24 meaningsThe first planned moves of a game, especially chess.
  • opening nightnounB2The first public performance of a production.
  • openly/ˈoʊpənli/adverbB2Without any attempt to hide it.
  • opennessnounB2+A readiness to be honest and to listen.
  • opera/ˈɒp.ə.ɹə/nounB2A play in which every word is sung, with an orchestra.
  • operate/ˈɒpəɹeɪt/verbB12 meaningsTo work a machine or run a service.
  • operating system/ˈɒpəˌɹeɪtɪŋ ˌsɪstəm/nounB2The program that runs the machine and everything on it.
  • operational/ˌɒp.əˈɹeɪ.ʃə.nəl/adjectiveC1Ready and able to work, or to do with running things.
  • operative/ˈɒpəɹətɪv/nounC12 meaningsA worker who operates a machine.