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Translate files Unbeknownst
/ˌənbɪˈnoʊn(d)st/
Meaning & Definition
adverb
Without the knowledge of; unknown to.
Unbeknownst to her, he had planned a surprise party for her birthday.
In a way that is not known or perceived.
They continued their conversation, unbeknownst to the fact that they were being watched.
Without someone's knowledge.
Unbeknownst to him, his friends were all in on the secret.
Unknown to someone.
Unbeknownst to the team, their project had already been approved.
Etymology
Late 17th century; originally unknown.
Common Phrases and Expressions
unbeknownst to me
Without my knowledge or awareness.
unbeknownst to the public
Unknown to the general population.
unbeknownst to him
Not known by him.
Related Words
unknown
Not known or familiar.
ignorant
Lacking knowledge or awareness.
Slang Meanings
Off the radar
The whole operation was off the radar for everyone involved.
Under the radar
She was dating someone under the radar, unbeknownst to her friends.