in·teg·ri·ty inˈteɡrədē/ noun noun: integrity 1. the quality of being honest and having strong moral principles; moral uprightness. "he is known to be a man of integrity" synonyms: honesty, probity, rectitude, honor, good character, principle(s), ethics, morals, righteousness, morality, virtue, decency, fairness, scrupulousness, sincerity, truthfulness, trustworthiness.