Definition of unwitting

< unwish

unwonted >

un·wit·ting    (n-wtng) KEY 

ADJECTIVE:

1. Not knowing; unaware: an unwitting subject in an experiment.
2. Not intended; unintentional: an unwitting admission of guilt.

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ETYMOLOGY:
Middle English : un-, not ; see un-¹ + witting, present participle of witten, to know (from Old English witan; see weid- in Indo-European roots)

OTHER FORMS:
un·witting·ly(Adverb)