Definition Jekyll and Hyde in American English

Jekyll and Hyde noun

[singular] noun

/ˌdʒek(ə)l ən ˈhaɪd/

From the name of a character who appears in the book The Strange Case of Dr. Jekyll and Mr. Hyde by the British writer Robert Louis Stevenson.

someone who seems to have two different personalities, one good and one bad

Synonyms and related words

outlier individual character

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