sincerely Antonyms

insincerely reluctantly lackadaisically bombastically listlessly lukewarmly calculatingly maliciously untruthfully euphemistically skeptically suspiciously allegedly unnaturally sharply slily slyly turbidly uncertainly underhand underhanded underhandedly foxily disingenuously deviously dishonorably dispassionately slavishly slickly sneakily snidely stagily traitorously treacherously treasonably unemotionally unscrupulously shiftily scurrilously satirically hypocritically sycophantically unctuously half-heartedly insidiously pretentiously reticently roguishly sacrilegiously sardonically