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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.

Some sued, some sent smart aleck responses and some refused to answer the email.

From Salon • Feb. 27, 2025

In real life, however, Mr. Jaffee was the opposite of a smart aleck: a genteel, unassuming man whose in-person humor was delivered with a wink, not a cudgel.

From New York Times • Apr. 10, 2023

OK, a smart aleck would say that’s a low bar.

From Los Angeles Times • Oct. 21, 2019

I was never a troublemaker, but I was always a smart aleck.

From Slate • Feb. 21, 2018

Her name was Mathona and she was a bit of a smart aleck.

From "Long Walk to Freedom" by Nelson Mandela

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