plural of paranoia

The obsolete name for a psychotic disorder, now called delusional disorder, often (in one of 6 subtypes) characterized by delusions of persecution and perceived threat against the individual affected with the disorder, and often associated with false accusations and general mistrust of others

Resembling or characteristic of paranoia.

Somebody who has paranoia, a paranoid person.

Pertaining to, or exhibiting, paranoia.

plural of paranoiac

In a paranoiac way.