怠惰たいだ Common I-adj Noun Español jmdict 1 adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi) pereza;pasividad;inercia English jmdict 1 adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi) lazy;idle;indolent;slothful Antonym: 勤勉 (きんべん) 怠惰は悪徳のもと。 Idle hands are the devil's tool. Other forms 怠情 【たいだ】 (search-only kanji form) · 怠堕 【たいだ】 (search-only kanji form)