Meaning & Definition of Unbeknownst in English

Detailed Definitions

• Definition: Without the knowledge of someone; unperceived by someone.

  Example Sentence: Unbeknownst to her, a surprise party was being planned.

• Definition: In a manner that is not known or understood.

  Example Sentence: He had his reasons, unbeknownst to others.

Etymology

Origin: Late 17th century; originally unknown.

Synonyms

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.

Translations

• Spanish: desconocido

• French: à l'insu

• German: unbekannt

• Russian: неизвестный

Related Words

• unknown: Not known or familiar.

• ignorant: Lacking knowledge or awareness.

Slang Meanings of unbeknownst

• Meaning: Off the radar

  Example Sentence: The whole operation was off the radar for everyone involved.

• Meaning: Under the radar

  Example Sentence: She was dating someone under the radar, unbeknownst to her friends.