variants or less commonly smart alec
: an obnoxiously conceited and self-assertive person with pretensions to smartness or cleverness
smart-aleck adjective

Examples of smart aleck in a Sentence

some smart aleck in the audience kept shouting clever insults at the nervous speaker
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Newton scored and so did backcourt mate Cam Spencer, that different style of smart aleck, who had 20. Dom Amore, Hartford Courant, 13 June 2024 Perry portrayed sweet, sarcastic smart aleck Chandler Bing for 10 seasons on Friends, garnering an Emmy nomination. EW.com, 29 Oct. 2023

Word History

Etymology

Aleck, nickname for Alexander

First Known Use

1864, in the meaning defined above

Time Traveler
The first known use of smart aleck was in 1864

Browse Nearby Words

Cite this Entry

“Smart aleck.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/smart%20aleck. Accessed 16 Apr. 2025.

Kids Definition

smart aleck

noun
: a person who likes to show off in a clever or witty but annoying way
smart-alecky
-ˌal-ə-kē
-ˌel-
adjective
or smart-aleck
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