Wiseacre
Pronunciation : Wise"a*cre
Part of Speech : n.
Etymology : [OD. wijssegger or G. weissager a foreteller, prophet, from weissagen to foretell, to prophesy, OHG. wissag, corrupted (as if compounded of the words for wise and say) fr. wizzag, fr. wizzag a prophet, akin to AS. witiga, witga, from the root of E. wit. S
Definition : 1. A learned or wise man. [Obs.] Pythagoras learned much . . . becoming a mighty wiseacre. Leland.
2. One who makes undue pretensions to wisdom; a would-be-wise person; hence, in contempt, a simpleton; a dunce.
Source : Webster's Unabridged Dictionary, 1913