不ふ誠せい実じつふせいじつFreq.FrequencyTop 50,000じ字FuriganaAudioMeanings1na-adjective, nouninsincerity; dishonesty; bad faithDescribes a lack of sincerity or honesty in attitude, words, or actions. Often used in formal or serious contexts.彼かれの不ふ誠せい実じつな態たい度どに失しつ望ぼうした。Break this sentence down in the analyzerI was disappointed by his insincere attitude.不ふ誠せい実じつな対たい応おうは信しん頼らいを損そこなう。Break this sentence down in the analyzerDishonest responses damage trust.See all 15 example sentences ›