know-it-alls

A form of know-it-all — Someone who claims to be knowledgeable or an expert in something, obnoxiously dismissing the opinions, advice, suggestions, etc. of others.

Meanings

noun
  1. pluralplural of know-it-all
Cite this entry
APA

know-it-alls. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/know-it-alls

MLA

“know-it-alls.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/know-it-alls. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “know-it-alls,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/know-it-alls.

Source: know-it-alls on Wiktionary, CC BY-SA 4.0.