paranoia

play
noun para·noia \ˌper-ə-ˈnȯi-ə, ˌpa-rə-\

Definition of paranoia

  1. 1 :  mental illness characterized by systematized delusions of persecution or grandeur usually without hallucinations <Psychotic symptoms and paranoia persisted, and she continued to “find clues” of conspiracy against her. — Helen K. Delichatsios et al.>

  2. 2 :  a tendency on the part of an individual or group toward excessive or irrational suspiciousness and distrustfulness of others <The members of America's racist right inhabit a murky world of conspiracy, suspicion, and paranoia. — Wayne King>

paranoiac

play \-ˈnȯi-ˌak, -ˈnȯi-ik\ or less commonly

paranoic

play \-ˈnȯi(-i)k, -ˈnō-ik\ adjective or noun

paranoically

play \-ˈnȯi(-i)-k(ə-)lē, -ˈnō-i-k(ə-)lē\ adverb

Examples of paranoia in a sentence

  1. She was diagnosed with delusional paranoia.

  2. I had to admit that my fears were just paranoia.

Origin and Etymology of paranoia

New Latin, from Greek, madness, from paranous demented, from para- + nous mind


First Known Use: 1887


PARANOIA Defined for English Language Learners

paranoia

play
noun para·noia \ˌper-ə-ˈnȯi-ə, ˌpa-rə-\

Definition of paranoia for English Language Learners

  • medical : a serious mental illness that causes you to falsely believe that other people are trying to harm you

  • : an unreasonable feeling that people are trying to harm you, do not like you, etc.


Medical Dictionary

paranoia

play
noun para·noia \ˌpar-ə-ˈnȯi-ə\

Medical Definition of paranoia

  1. 1:  a psychosis characterized by systematized delusions of persecution or grandeur usually without hallucinations

  2. 2:  a tendency on the part of an individual or group toward excessive or irrational suspiciousness and distrustfulness of others



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