UNBEKNOWNST Definition Meaning - Merriam-Webster Unbeknownst is perfectly standard today, even in formal prose Note that speakers of British English prefer unbeknown, which lacks that unjustified -st and is 200 years older
UNBEKNOWNST | definition in the Cambridge English Dictionary Unbeknownst to me, he had rented out the apartment while I was away They were speaking a completely different language, unbeknownst to their very neighbors, for centuries until now Unbeknownst to the country, he'd had a stroke a few months before
Unbeknownst - Definition, Meaning Synonyms | Vocabulary. com If someone plans your birthday party unbeknownst to you — that is, you're completely unaware of it — it will probably be a surprise party Used as an adjective or adverb, unbeknownst is descended from unbeknown (1848), which combines the prefix un- ("not") with be ("by, about") and know