Synonyms for Wiseacre:

n.

extrovert, good, individualist, know-all, know-it-all, prig, prima donna, snob, upstart, Malapert, Saucebox, Witling, wisecracker, smarty, smarty-pants, God's gift, tin god. know-it-all (noun)
smart aleck, wise guy, smarty-pants.
smart-aleck (noun)
know-it-all, wisenheimer.
wiseacre (noun)
smart aleck, weisenheimer, wise guy, wisenheimer.

Other synonyms:

know-it-all, Saucebox, Witling, wisecracker, smarty, smarty-pants. Other relevant words:
extrovert, good, individualist, know-all, know-it-all, prig, snob, upstart, Malapert, Saucebox, Witling, wisecracker, smarty, smarty-pants.

Usage examples for wiseacre

  1. The scenery at Chilblains Base- so named by a wiseacre American navy man back in the twentieth century- was nothing to brag about. – Unwise Child by Gordon Randall Garrett
  2. Occasionally Wiseacre and I amused ourselves with fishing excursions to the middle of the bay in small boats; in which excursions we were usually accompanied by two or three very ragged little boys from the town. – Hudson Bay by R.M. Ballantyne
  3. Truly, I cannot imagine, he wrote to the Elector of Saxony, quo consilio that wiseacre of an Aldegonde, and whosoever else has been aiding and abetting, have undertaken this affair. – Project Gutenberg History of The Netherlands, 1555-1623, Complete by John Lothrop Motley