unbeknownst

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English[edit]

Etymology[edit]

C. 1636: unusual form of un- +‎ beknown

Pronunciation[edit]

  • IPA(key): /ˌʌnbɪˈnoʊnst/

Adverb[edit]

unbeknownst (not comparable)

  1. (followed by to) without the knowledge of
    He went home early, unbeknownst to his mother.

Translations[edit]