qualmEnglishOxford American Thesaurusqualm noun 1 I have no qualms about going to Japan: misgiving, doubt, reservation, second thought, worry, concern, anxiety; (qualms) hesitation, hesitance, hesitancy, demur, reluctance, disinclination, apprehension, trepidation, disquiet, disquietude, unease, uneasiness. ▷antonyms confidence. 2 shameless politicians have no qualms about their misdeeds: scruple, pang of conscience, twinge of conscience/remorse; (qualms) compunction, remorse.