(noun) someone who is small and insignificant. Synonyms: pip-squeak, squirt, small fry.
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Noun Definition 1
(noun) a young person of either sex. Synonyms: child, kid, youngster, minor, shaver, nipper, small fry, tiddler, tike, tyke, fry, nestling. Examples: "She writes books for children." "They're just kids." "`tiddler' is a british term for youngster."