paranoia
nounfeminine/pɐɾɐˈnɔjɐ/medium
pa·ra·noi·a
Definitions
-1A mental disorder characterized by extreme and irrational distrust, delusions of persecution or grandeur.
The psychiatrist diagnosed him with paranoia.
His constant suspicion of his coworkers bordered on paranoia.
Common collocations
suffer from paranoiaparanoid delusionsclinical paranoiasymptoms of paranoia
2(Informal) A state of excessive and unfounded distrust, fear, or suspicion.
Informal, metaphorical use.
Stop with the paranoia, no one is out to get you.
The constant surveillance has created a sense of paranoia among citizens.
Etymology
Do grego 'paranóia' (demência), através do latim científico.