衰すい幣へいすいへいじ字FuriganaMeanings1noundecline; decay; deteriorationRare, formal noun referring to a state of decline or decay, often of institutions, fortunes, or physical condition. Not in common modern use; 衰退 (すいたい) or 衰微 (すいび) are more frequent.その国くにの衰すい幣へいは誰だれの目めにも明あきらかだった。