Definition of Unbeknownst

without an individual’s knowledge

Examples of Unbeknownst in a sentence

Unbeknownst to Natasha, Kurt saw his mistress three times a week.  🔊

Jane's gambling addiction was unbeknownst to her husband.  🔊

Unbeknownst to the cheering fans, the touchdown was immediately ruled invalid.  🔊

With Amy’s help and unbeknownst to my mother, I planned a surprise family reunion.  🔊

Unbeknownst to his boss, Peter was actively looking for a new job.  🔊

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