Definition of informally adverb from the Oxford Advanced Learner's Dictionary



    BrE BrE//ɪnˈfɔːməli//
    ; NAmE NAmE//ɪnˈfɔːrməli//
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  1. 1in a relaxed and friendly way; in a way that does not follow strict rules of how to behave or do something They told me informally (= not officially) that I had got the job.
  2. 2if you are dressed informally, you are wearing clothes that are suitable for wearing at home or when relaxing rather than for a special or an official occasion synonym casually (4)
  3. opposite formally