Devil-may-care Devil-may-care antonyms responsible serious sorrowful high-strung uptight careworn solemn ceremonious decorous formal rigid Full list of antonyms (37) Devil-may-care synonyms happy-go-lucky harum-scarum reckless unconcerned foolhardy carefree rash careless heedless irresponsible nonchalant Full list of synonyms (696)
