- Paranoia is a mental disorder with delusions or extreme irrational fear or distrust of others.
An example of paranoia is someone thinking that everyone is out to get them.
Psychiatry a mental disorder characterized by systematized delusions, as of grandeur or, esp., persecution, often, except in a schizophrenic state, with an otherwise relatively intact personality
Origin of paranoiaModern Latin ; from Classical Greek derangement ; from para-, beside (see para-) + nous, the mind
- A psychotic disorder characterized by delusions of persecution with or without grandeur, often strenuously defended with apparent logic and reason.
- Extreme, irrational distrust of others.
Origin of paranoiaGreek, madness, from paranoos, demented : para-, beyond; see para–1 + nous, noos, mind.
- See: nous#Related terms
- See: para-#Derived terms