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Added 9 October 2026

sidekick

/ˈsaɪdkɪk/ noun

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about sidekick at Wordnik → Where our words come from →

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.

Origin

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.

From Wiktionary, via Kaikki.org (CC BY-SA)

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