wiseacre

Definitions


[ˈwʌɪzˌeɪkə], (Noun)

Definitions:
- a person who pretends to have wisdom or knowledge, regarded with scorn or irritation by others; a know-all
(e.g: the wiseacres forecast a collapse of the building)


Phrases:

Origin:
late 16th century: from Middle Dutch wijsseggher ‘soothsayer’, probably from the Germanic base of wit. The assimilation to acre remains unexplained




definition by Oxford Dictionaries