精せい神しん衰すい弱じゃくせいしんすいじゃくMeanings1nounpsychastheniamedicine›Medical term for a neurotic condition characterized by phobias, obsessions, and excessive anxiety. Rare in modern clinical use; largely replaced by more specific diagnoses.精せい神しん衰すい弱じゃくは、かつて神しん