Definition of instant adjective from the Oxford Advanced Learner's Dictionary

     

    instant

     adjective
    adjective
    BrE BrE//ˈɪnstənt//
     
    ; NAmE NAmE//ˈɪnstənt//
     
     
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  1. 1[usually before noun] happening immediately synonym immediate She took an instant dislike to me. This account gives you instant access to your money. The show was an instant success.
  2. 2[only before noun] (of food) that can be made quickly and easily, usually by adding hot water instant coffee
  3. Word Origin late Middle English: via Old French from Latin instant- ‘being at hand’, from the verb instare, from in- ‘in, at’ + stare ‘to stand’.Extra examples She took an instant dislike to me, the first time we met. The show was an instant success in New York. There is no instant solution to the problem of rising crime.
See the Oxford Advanced American Dictionary entry: instant