Jekyll and Hyde

[jek-uhl, jee-kuhl] / ˈdʒɛk əl, ˈdʒi kəl /

NOUN

dual personality

Synonyms

WEAK

Proteus dual personality split personality

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"It's like I'm Jekyll and Hyde," she explains.

From BBC • May 16, 2026

Brighton are a real Jekyll and Hyde side at the moment, but I always feel they will do well at home - they have only lost once there this season.

From BBC • Dec. 18, 2025

Over its long history, hormone replacement therapy for women in menopause has been the Jekyll and Hyde of medications.

From Los Angeles Times • Jan. 21, 2025

But it’s the Jekyll and Hyde manner those shots have been compiled — something McCann alluded to — that’s been perplexing in its inconsistency.

From Seattle Times • Nov. 12, 2023

Gradually, however, like Jekyll and Hyde, one personality began to predominate.

From "Kaffir Boy: An Autobiography" by Mark Mathabane