1. (a.) Of or pertaining to the nerves; seated in the nerves; nervous; as, a neurotic disease.

2. (a.) Seen in disorders of, or affecting, the nerves.

3. (n.) A disease seated in the nerves.

4. (n.) Any toxic agent whose action is mainly directed to the great nerve centers.

abnormal alcoholic alternating personality antisocial personality anxious brain-damaged brain-injured catatonic certifiable confused deviant disordered disordered personality distraught disturbed disturbed personality double personality drug user dual personality emotionally unstable personality escapist hostile personality hypochondriac hypochondriast hysteric idiot imaginary invalid immature personality inadequate personality inferior personality irrational malade imaginaire maladjusted maladjusted personality manic-depressive mentally defective personality mentally ill mentally sick moral insanity multiple personality nervous neurasthenic neuropath neurotic personality obsessive overwrought paranoiac paranoid paranoid personality perverse personality phobic psychasthenic psychoneurotic psychopath psychopathic psychopathic personality psychotic psychotic personality schiz schizoid schizoid personality schizophrenic schizy seclusive personality sexual psychopath shut-in personality sociopath split personality unstable valetudinarian valetudinary weak personality