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paranoia

nounattested in dialogue

  • United Kingdom//ˌpæɹ.əˈnɔɪ.ə//
  • United States//ˌpæɹ.əˈnɔɪ.ə//
  • United States//ˌpɛɹ.əˈnɔɪ.ə//

Extreme, irrational distrust of others.

noun

  1. 1

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

  2. 2

    Extreme, irrational distrust of others.

Etymology

Learned borrowing from Ancient Greek παράνοια (paránoia, “madness”), from παράνοος (paránoos, “demented”), from παρά (pará, “beyond, beside”) + νόος (nóos, “mind, spirit”). By surface analysis, para- (“abnormal, beyond”) + nous (“mind”) + -ia (“(medical) condition”).

Forms

plural
paranoias, paranoiæ
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).