impertinence n. + Add to list UK //ɪmpˈɜːtɪnəns// im·per·ti·nence SynonymsEtymology Synonyms cheekcheekinesscrustfreshnessgallimpudenceinsolenceperkinesspertnesssaucinessOrigin Borrowed from Middle French impertinence, from impertinent (“impertinent”); by surface analysis, im- + pertinent.