Know-it-all

Pronunciation: /ˈnoʊ- ˈɪt- ˈɔɫ/

Know-it-all (noun)

  1. A person who talks as if they know everything and often corrects others, usually in an annoying way.

Examples

  • My brother is a know-it-all, and he never listens.
  • The know-it-all in class interrupts everyone with answers.

Know-it-all (adjective)

  1. Describing someone who acts like they know everything and tries to correct others, often making people feel uncomfortable.

Examples

  • He gave a know-it-all answer without checking the facts.
  • Her know-it-all tone made the meeting uncomfortable.