Paranoia

имя существительное [медицина] паранойя, параноидная шизофрения Синоним(ы): delusional insanity

Большой англо-русский словарь

Paranoia

noun Etymology: New Latin, from Greek, madness, from paranous demented, from para- + nous mind 1. a psychosis characterized by systematized delusions of persecution or grandeur usually without hallucinations 2. a tendency on the part of an individual or group toward excessive or irrational suspiciousness and distrustfulness of others • paranoiac also paranoic adjective or nounparanoically adverb

Merriam-Webster's Collegiate Dictionary