Dictionary

wiseacre

noun wise·acre \ˈwīz-ˌā-kər\

: a person who says or does things that are funny but also annoying

Full Definition of WISEACRE

:  one who pretends to knowledge or cleverness; especially :  smart aleck
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Origin of WISEACRE

Middle Dutch wijssegger soothsayer, modification of Old High German wīzzago; akin to Old English wītega soothsayer, witan to know
First Known Use: 1595

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