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 Gr, derangement from para-, beside (see para-) + nous, the mind
- Irrational distrust or suspicion of others, especially as occurring in people with psychiatric disorders such as paranoid personality disorder and schizophrenia: paranoia about neighbors stealing from his vegetable garden.
- Intense anxiety or worry: paranoia about losing her job.
Origin of paranoiaGreek madness from paranoos demented para- beyond ; see para- 1. nous, noos mind