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Definition of smartypants

smartypants

/ˈsmɑːr.tiˌpænts/
smar · ty · pants
Plural:smartypants
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smartypants Lexical Profile

smartypants Game Scores & Validity

• noun

1

A person, especially a child, who is obnoxiously clever, smug, or eager to show off their knowledge; a know-it-all.

Example

"Nobody likes a smartypants who constantly interrupts the teacher to correct minor mistakes."

Synonyms
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Antonyms
View all antonyms for smartypants

Word Nuance & Usage

Although ending in '-s', 'smartypants' functions as both a singular and plural countable noun (e.g., 'a little smartypants'). It is an informal, mildly teasing or mildly derogatory term used almost exclusively in casual conversation.

• Nearby Words

smartwatch
smartweed
smarty
smartypants
smash
smashable
smashed

Cite this Entry

Wordmom. (2026). Definition of Smartypants. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/smartypants
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