neurasthenia

== English == === Etymology === From neur- +‎ asthenia, after Italian nevrastenia. By surface analysis, neur- (“nerve”) +‎ a- (“not”) +‎ sthen- (“strength”) +‎ -ia (“disease”). === Pronunciation === IPA(key): /ˌnjʊəɹəsˈθiːniə/ === Noun === neurasthenia (countable and uncountable, plural neurasthenias) (psychiatry, dated) An ill-defined medical condition characterized by lassitude, fatigue, headache, and irritability, associated chiefly with emotional disturbance. Synonyms: anergasia, Americanitis ==== Derived terms ==== neurasthenic neurasthenics ==== Related terms ==== neurosthenia ==== Translations ====