Synonyms of sincerity in English:

sincerity


See US English definition of sincerity

See UK English definition of sincerity

See Spanish definition of sinceridad

noun

1‘there seems no reason to doubt the sincerity of her apology’

SYNONYMS
honesty, genuineness, truthfulness, good faith, lack of deceit, integrity, probity, trustworthiness
wholeheartedness, seriousness, earnestness
straightforwardness, openness, candour, candidness, guilelessness, ingenuousness
bona fides
ANTONYMS

insincerity