'Neurasthenia' definitions:

Definition of 'neurasthenia'

(from WordNet)
noun
Nervous breakdown (not in technical use)

Definition of 'Neurasthenia'

From: GCIDE
  • Neurasthenia \Neu*ras`the*ni"a\, n. [NL., fr. Gr. ney^ron nerve + ? weakness.] (Med.) A condition of nervous debility supposed to be dependent upon impairment in the functions of the spinal cord. [1913 Webster]