堕ちるおちる Ichidan Intransitive English jmdict 1 Ichidan verb intransitive verb to decline (of morals, character, etc.);to become vulgar (e.g. of a conversation);to stoop (to);to sink (so low) See also: 落ちる (おちる) 2 Ichidan verb intransitive verb to be ruined;to go under;to fall (into hell) See also: 落ちる (おちる)