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Synonyms

smart aleck

American  
[smahrt al-ik] / ˈsmɑrt ˌæl ɪk /
Or smart alec

noun

Informal.
  1. wise guy.


smart aleck British  
/ ˈælɪk /

noun

  1. informal an irritatingly oversmart person

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

smart aleck Idioms  
  1. An impudent or obnoxiously self-assertive individual, a wise guy, as in New teachers often have a hard time coping with the smart alecks in their classes. This expression, dating from the mid-1800s, probably alluded to a person of this description who was named Alec or Alexander, but his identity has been lost.


Other Word Forms

Etymology

Origin of smart aleck

An Americanism first recorded in 1860–65; generic use of Aleck, nickname for Alexander

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

He’s a pint-sized smart aleck who cares deeply for Dunk.

From Salon Jan. 17, 2026

I’m a kid that grew up in Hollywood, and I went to Baghdad wearing a Metallica shirt and I was a total smart aleck.

From Los Angeles Times Jul. 17, 2025

She’s still a downbeat smart aleck, but she can make you cry without appearing to do very much.

From Slate Mar. 27, 2018

Since then, the driver says, “every smart aleck who thinks he can tell a joke has been circling Burbank like a vulture.”

From New York Times May 24, 2017

His nerves must be finally getting to him to be such a smart aleck.

From "The Kill Order (Maze Runner, Book Four; Origin)" by James Dashner

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