12 letters · 17 points in Scrabble
noun a person suffering a nervous breakdown
adjective of or relating to or suffering from neurasthenia
originFrom neurasthenia + -ic or neur- + asthenia + -ic. By surface analysis, neur- (“nerve”) + a- (“not”) + sthen- (“strength”) + -ic (“adjective suffix”).
Etymology from Wiktionary, CC BY-SA 3.0