American English

Definition of instant adjective from the Oxford Advanced American Dictionary



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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
See the Oxford Advanced Learner's Dictionary entry: instant