sincere

1 genuine in feeling she offered a sincere apology for her angry outburst Synonyms heartfelt, unfeigned Related Words unaffected, unforced; artless, honest, ingenuous, translucent, transparent, true; authentic, genuine; hearty, wholehearted, whole-souled Near Antonyms backhanded, double-dealing, hypocritical, left-handed, mealy, mealymouthed, two-faced, unctuous Antonyms affected, artificial, false, feigned, insincere

2 free from any intent to deceive or impress others done out of a sincere desire to help others Synonyms artless, genuine, honest, ingenuous, innocent, naive (or naïve), natural, real, simple, guileless, true, unaffected, unpretending, unpretentiousRelated Words childlike, dewy-eyed, gee-whiz, impressionable, inexperienced, malleable, persuadable, persuasible, simpleminded, unsophisticated, unworldly, wide-eyed; spontaneous, unforced, unstudied; candid, direct, frank, free, free-spoken, open, openhearted, plain, plainspoken, single-minded, straight, straightforward, unguarded; trustful, trusting; exploitable, gullible (also gullable), susceptible, unwaryNear Antonyms critical, cynical, mistrustful, skeptical, suspicious, wary; cosmopolitan, sophisticated, worldly, worldly-wise; civilized, cultivated, cultured, polished, refined; crooked, deceitful, deceptive, devious, double-dealing, hypocritical, manipulative, two-faced; arch, calculating, canny, crafty, cunning, designing, foxy, knavish, scheming, sharp, shifty, shrewd, slick, slippery, sly, subtle, tricky, underhanded, wily; flattering, mealymouthed, smooth, sycophantic, unctuous; feigned, forced, strainedAntonyms affected, artful, artificial, assuming, dishonest, dissembling, dissimulating, fake, false, guileful, insincere, phony (also phoney), pretentious