neurasthenic neurasthenic /ˌnʊərəsˈθɛnɪk/

adjective

1. Of or relating to or suffering from neurasthenia  ( neurasthenic )
   of or relating to or suffering from neurasthenia
    Neurasthenic tendencies
   neurasthenic tendencies
   

noun

1. A person suffering a nervous breakdown  ( neurasthenic )
   a person suffering a nervous breakdown