sidekick.
An assistant to another person, especially to a superior or more important person.
Meaning & usage
An assistant to another person, especially to a superior or more important person.
In literature, theatre, etc., a good foil of the protagonist, a character who helps emphasize the traits of the main character.
Where this word comes from
From side + kick, which in the late 19th and early 20th century was a slang term for the front side pocket of a pair of trousers, known as the pocket safest from theft. Thus, by analogy, a "side-kick" was a person's closest companion.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.