smart aleck

[ al-ik ]
/ ˈæl ɪk /

noun

an obnoxiously conceited person.
a wise guy.

Origin of smart aleck

1860–65, Americanism; generic use of Aleck, nickname for Alexander

OTHER WORDS FROM smart aleck

smart-al·eck·y, smart-al·eck, adjective

Example sentences from the Web for smart aleck

British Dictionary definitions for smart aleck

smart aleck
/ (ˈælɪk) /

noun plural smart alecks

informal an irritatingly oversmart person

Derived forms of smart aleck

smart-aleck or smart-alecky, adjective

Word Origin for smart aleck

C19: from Aleck, Alec, short for Alexander

Idioms and Phrases with smart aleck

smart aleck

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.