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

37k
Pronounced as (IPA)
/ˌʌnbɪˈnoʊnst/
Etymology

c. 1636: probably from unbeknown + -st

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