Pocket Thesaurus
Antonyms of sincerity
truthfulness, earnestness, candor, goodwill, probity, veracity, impartiality, seriousness, genuineness, reliability, truth, frankness, heart, singleness, justice, innocence, openness, artlessness, honor, good faith, trustworthiness, wholeheartedness, bona fides, sincereness
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