unbeknownst
Meaning
without the knowledge of
Concepts
unbeknownst
unbeknown
unknown
unfamiliar
unknowingly
alien
incognoscible
indeterminate
little-known
nameless
obscure
strange
stranger
unacknowledged
unacquainted
unascertainable
undisclosed
undiscoverable
undiscovered
unheard-of
unidentified
unknowable
unnamed
unpredictable
unrecognised
unrecognized
unrevealed
unseeyn
unsung
Frequency
Pronounced as (IPA)
/ˌʌnbɪˈnoʊnst/
Etymology
c. 1636: probably from unbeknown + -st
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