know-it-all

English

noun
Definitions
  • (chiefly) Someone who claims to be knowledgeable or an expert in something, obnoxiously dismissing the opinions, advice, suggestions, etc. of others.

Etymology

Suffix from English know.

Origin

English

know

Gloss

Timeline

Distribution of cognates by language

Geogrpahic distribution of cognates

Cognates and derived terms