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English Lexicon

Confirm

/kənˈfɜːm/
verbCEFR B1 (Intermediate)Top #650 frequency
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Comprehensive Definitions & Senses

2 senses
As verb
  1. 1

    To state or prove that the truth or correctness of something previously believed or suspected is true.

    "The test results confirmed her diagnosis."
  2. 2

    To make an arrangement or meeting definite, often by telephone, writing, or email.

    "Please call the hotel to confirm your reservation."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Latin verb 'confirmare', meaning 'to strengthen', formed from 'com-' (intensive prefix) and 'firmare' (to make firm), from 'firmus' (firm, strong). It entered the English language in the late Middle English period via Old French 'confermer', shifting from its original physical sense of strengthening to its modern application of establishing the truth or validity of something.

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