noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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/ˈsaɪdkɪk/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:S AY1 D K IH2 K
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
An assistant to another person, especially to a superior or more important person.
Definition source: English Wiktionary via Wiktextract
Usage: informal
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
In literature, theatre, etc., a good foil of the protagonist, a character who helps emphasize the traits of the main character.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
a close friend who accompanies his buddies in their activities
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: buddy, brother, chum, crony, pal
Antonyms: none provided
Broader terms: friend
Narrower terms: cobber
History
Etymology
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.
Across languages
Translations
30 source translations are retained for this English entry.