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



    BrE BrE//ˈəʊnli//
    ; NAmE NAmE//ˈoʊnli//
    [only before noun]
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  1. 1  used to say that no other or others of the same group exist or are there She's their only daughter. We were the only people there. His only answer was a grunt.
  2. 2  used to say that somebody/something is the best and you would not choose any other She's the only person for the job.
  3. Word OriginOld English ānlic (adjective) (see one, -ly).Idioms officially recognized but not existing in reality He's party leader in name only. used to emphasize that somebody is famous Here he is, the one and only Van Morrison!  (informal) used before mentioning a worry or problem you have with something I'd love to come—the only thing is I might be late.
See the Oxford Advanced American Dictionary entry: only