🇬🇧 en fr 🇫🇷

know-it-all noun

  • (chiefly, US, pejorative) Someone who claims to be knowledgeable or an expert in something, obnoxiously dismissing the opinions, advice, suggestions, etc. of others.
 je-sais-tout, toutologue, ti-Jo Connaissant

know-it-alls

messieurs-je-sais-tout
Wiktionary Links