Neu*ro"sis (?), n.; pl. Neuroses (#). [NL., fr. gr. nerve.] Med.
A functional nervous affection or disease, that is, a disease of the nerves without any appreciable change of nerve structure.
<-- (psychiatry) a mental or emotional disorder that affects only part of the personality, and involves less distorted perceptions of reality than a psychosis. It includes certain anxieties and phobias. [MW10] -->
© Webster 1913.