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Synonyms

wise guy

American  

noun

  1. Informal. a cocksure, conceited, and often insolent person; smart aleck.

    He has a reputation for being a wise guy.


wise guy British  

noun

  1. informal a person who is given to making conceited, sardonic, or insolent comments

  2. a member of the Mafia

"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

wise guy Idioms  
  1. An obnoxious know-it-all, a person who makes sarcastic or annoying remarks, as in the teacher was delighted that the worst wise guy in the class was moving out of town. [Slang; second half of 1800s] Also see smart aleck.


Other Word Forms

Etymology

Origin of wise guy

An Americanism dating back to 1895–1900

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:

Locke has Charlie’s gentle deportment but with the soft edge of a cool-kid wise guy.

From New York Times Jul. 29, 2023

I enjoyed the Marx Brothers movies, but I liked Groucho because he was the wise guy.

From Seattle Times Sep. 13, 2021

“So does Jones get the tackle credit too,” one wise guy posted in a comment on YouTube.

From Washington Times Mar. 31, 2021

“As a young writer, I was the dandiest, cleverest wit and wise guy — a cinch if one possesses the meager gifts,” he writes.

From Washington Post Jun. 4, 2020

I expect Ronan to give me some wise guy answer, but instead he looks me in the eye and says, “I wish I’d met your papa.”

From "Shouting at the Rain" by Lynda Mullaly Hunt

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