Improper Improper synonyms unseemly improper and unseemly unbecoming improper and unbecoming wrong improper and wrong inappropriate improper and inappropriate indecent improper and indecent indecorous improper and indecorous unsuitable improper and unsuitable incorrect improper and incorrect indelicate improper and indelicate incongruous improper and incongruous Full list of synonyms (1248) Improper antonyms proper improper and proper appropriate improper and appropriate decent improper and decent suitable improper and suitable right improper and right correct improper and correct fitting improper and fitting acceptable improper and acceptable becoming improper and becoming decorous improper and decorous Full list of antonyms (91) Share this picture Share this image Share this picture Share this image