/ Dictionary / Index N neurasthenic: Meaning and Definition of Find definitions for: neur•as•then•ic Pronunciation: (noor"us-then'ik, nyoor"-), [key] — adj. pertaining to or suffering from neurasthenia. —n. a person suffering from neurasthenia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: neurasthenic (Thesaurus) neurasthenia neuration Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language