unbeknownst to

phrase

chiefly US

: without being known about by (someone)

Unbeknownst to the students, the teacher had entered the room.

Examples of unbeknownst to in a Sentence

Recent Examples on the Web

In July, officials from OpenAI, the company behind ChatGPT, disclosed that, unbeknownst to them, its AI models had hacked into rival startup Hugging Face. — Rebecca Ellis, Los Angeles Times, 13 Sep. 2026

Following instructions from the kidnappers (unbeknownst to his increasingly agitated comrades), Lee drives out to meet them for the exchange, only to wreck his car and become distracted saving a nearby woman, Hua (Moon Lee). — Jake Cole, IndieWire, 10 Sep. 2026

The plot thickens when young Kylie enlists her aunt’s services, unbeknownst to her parents. — Brittany Allen, Literary Hub, 8 Sep. 2026

But, unbeknownst to him, his wife had successfully filed a habeas petition, and he was put on a plane back to Minnesota. — Emily Witt, New Yorker, 31 Aug. 2026

Rhymes for unbeknownst to

• hullabaloo
• accrue
• ado
• ainu
• aircrew
• airscrew
• anew
• askew
• baboo
• babu
• bamboo
• beaucoup