je-sais-tout

== French == === Etymology === Literally, “I know everything”. === Pronunciation === IPA(key): /ʒə.sɛ.tu/ === Noun === je-sais-tout m (invariable) (informal) know-it-all, smart aleck ==== Related terms ==== This expression can be specifically gendered: monsieur je-sais-tout (specifically masculine form) madame je-sais-tout (specifically feminine form)