para·noia noun \ˌpar-ə-ˈnȯi-ə\
: a psychosis characterized by systematized delusions of persecution or grandeur usually without hallucinations
: a tendency on the part of an individual or group toward excessive or irrational suspiciousness and distrustfulness of others
Seen & Heard
What made you want to look up paranoia? Please tell us where you read or heard it (including the quote, if possible).