smart aleck noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of smart aleck noun from the Oxford Advanced American Dictionary

smart aleck

noun

(also smart alec) noun

NAmE//ˈsmɑrt//

(also smart-ass, smarty-pants) (informal) (disapproving)

a person who behaves as if they know everything and likes to show people this in an annoying way

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