Wiseacre

Origin

a 1600, from Middle Dutch wijssegger ("soothsayer"), from Old High German wīzzago, from wizzan ("to know")

Full definition of wiseacre

Noun

1. One who feigns knowledge or cleverness; an insolent upstart.
2. (obsolete) A learned or wise man.Pythagoras learned much ... becoming a mighty wiseacre. — Leland.

Synonyms

• smart aleck
• smarty or smartie
• smarty pants
• smart ass
• wise-guy
• wisenheimer or weisenheimer

Derived terms

• wiseacring