As nouns the difference between insanity and neurosis
is that insanity is the state of being insane; madness while neurosis is (pathology) a mental disorder, less severe than psychosis, marked by anxiety or fear.
insanity
Noun
The state of being insane; madness.
Antonyms
* sanity
Synonyms
* See also
Related terms
* insane
neurosis
Noun
(neuroses)
(pathology) A mental disorder, less severe than psychosis, marked by anxiety or fear
* Usage note: This term is no longer used medically/professionally.
Usage notes
According to Wikipedia the term is no longer part of mainstream psychiatric terminology in the United States, though it continues to be employed in psychoanalytic theory and practice, and in various other theoretical disciplines.
Derived terms
* aeroneurosis
* neurotic
* neuroticism
* psychoneurosis