Definition of realize verb from the Oxford Advanced Learner's Dictionary

      

    realize

     verb
    (British English also -ise)verb
    BrE BrE//ˈriːəlaɪz//
     
    , also BrE//ˈrɪəlaɪz//
     
    ; NAmE NAmE//ˈriːəlaɪz//
     
    Verb Forms present simple I / you / we / they realize
    BrE BrE//ˈriːəlaɪz//
     
    , also BrE//ˈrɪəlaɪz//
     
    ; NAmE NAmE//ˈriːəlaɪz//
     
    he / she / it realizes
    BrE BrE//ˈriːəlaɪzɪz//
     
    , BrE//ˈrɪəlaɪzɪz//
     
    ; NAmE NAmE//ˈriːəlaɪzɪz//
     
    past simple realized
    BrE BrE//ˈriːəlaɪzd//
     
    , BrE//ˈrɪəlaɪzd//
     
    ; NAmE NAmE//ˈriːəlaɪzd//
     
    past participle realized
    BrE BrE//ˈriːəlaɪzd//
     
    , BrE//ˈrɪəlaɪzd//
     
    ; NAmE NAmE//ˈriːəlaɪzd//
     
    -ing form realizing
    BrE BrE//ˈriːəlaɪzɪŋ//
     
    , BrE//ˈrɪəlaɪzɪŋ//
     
    ; NAmE NAmE//ˈriːəlaɪzɪŋ//
     
     
    jump to other results
    be/become aware
  1. 1  [transitive, intransitive] (not used in the progressive tenses) to understand or become aware of a particular fact or situation realize (that)… I didn’t realize (that) you were so unhappy. The moment I saw her, I realized something was wrong. realize how, what, etc… I don't think you realize how important this is to her. realize (something) I hope you realize the seriousness of this crime. Only later did she realize her mistake. The situation was more complicated than they had at first realized. They managed to leave without any of us realizing. it is realized that… There was a cheer when it was realized that everyone was safely back.
  2. achieve something
  3. 2  [transitive] realize something to achieve something important that you very much want to do She never realized her ambition of becoming a professional singer. We try to help all students realize their full potential (= be as successful as they are able to be).
  4. happen
  5. 3[transitive, usually passive] realize something if somebody’s fears are realized, the things that they are afraid will happen, do happen His worst fears were realized when he saw that the door had been forced open.
  6. sell
  7. 4[transitive] realize your assets (formal) to sell things that you own, for example property, in order to get the money that you need for something synonym convert
  8. 5[transitive] realize something (formal) (of goods, etc.) to be sold for a particular amount of money synonym make The paintings realized $2 million at auction.
  9. make something real
  10. 6[transitive] realize something (formal) to produce something that can be seen or heard, based on written information or instructions The stage designs have been beautifully realized.
  11. Word Origin early 17th cent.: from real, on the pattern of French réaliser.Extra examples I never realized how much it meant to you. I realized for the first time how difficult this would be. She dimly realized that she was trembling. The experience made me realize that people did care. They are constantly learning, without even realizing it. We are constantly using historic buildings, without even realizing it. You don’t seem to realize the seriousness of the situation. As soon as/​The moment I walked in the room I knew/​realized something was wrong. Do you fully realize the seriousness of this crime? I began to realize why the people seemed wary of us. I didn’t realize (that) you were so unhappy. I don’t think you realize how important this is to her. I soon/​quickly/​gradually/​slowly realized what he meant. She soon realized her mistake. Suddenly/​All of a sudden/​At once I knew/​realized what he meant. The paintings realized $2 million at auction. There was a cheer when it was realized that everyone had got back safely. We make assumptions all the time without realizing it.
See the Oxford Advanced American Dictionary entry: realize