unbeknownst
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.un·be·knownst
adjective \ˌən-bi-ˈnōn(t)st\Definition of UNBEKNOWNST
1
: happening or existing without the knowledge of someone specified —usually used with to <unbeknownst to us rumors were flying>
2
: unknown
See Variants of UNBEKNOWNST
un·be·knownst also un·be·known \-ˈnōn\
Examples of UNBEKNOWNST
- <unbeknownst to me, my mother was planning a party>
Origin of UNBEKNOWNST
1un- + obsolete English beknown known; unbeknownst, irregular from unbeknown
First Known Use: 1636
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