Synonyms of unbeknownst

unbeknownst

adjective

ˌən-bi-ˈnōn(t)st 

variants also unbeknown

as in unknown

happening or existing without one's knowledge

unbeknownst to me, my mother was planning a party

Synonyms & Similar Words

• unknown
• unfamiliar
• unaware
• unsuspected
• unsuspecting
• unrecognized
• unmindful
• unconscious
• unwitting
• ignorant
• unknowing
• unperceived
• unacquainted

Example Sentences

Recent Examples of unbeknownst

But, unbeknownst to many observers at the time, Graham was enduring even more withering pressures, with determination that was all the more impressive for being almost entirely invisible. — Los Angeles Times, 1 May 2026

Industry hawks opposed to 340B’s expansion warn that providers could then charge patients for the full cost of the drugs, unbeknownst to the beneficiaries. — Mia Cathell, The Washington Examiner, 30 Apr. 2026

Onscreen, Maddy is seated with a direct line of sight to Cassie and Nate during the newlyweds’ first dance, which, unbeknownst to Maddy and the other attendees, happens directly after Naz confronts Nate about his shady business dealings. — Zoe Papelis, Vulture, 27 Apr. 2026

By that time, unbeknownst to Kristina, AJ had already set his sights on Italy. — Timothy Depeugh, Charlotte Observer, 24 Apr. 2026

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