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paranoid

[par-uh-noid] /ˈpær əˌnɔɪd/
adjective
1.
of, like, or suffering from paranoia.
noun
2.
a person suffering from paranoia.
Also, paranoiac
[par-uh-noi-ak, -ik] /ˌpær əˈnɔɪ æk, -ɪk/ (Show IPA),
paranoeac
[par-uh-nee-ak, -ik] /ˌpær əˈni æk, -ɪk/ (Show IPA)
.
Origin of paranoid
1900-1905
1900-05; paranoi(a) + -oid, with base and suffix merged, perhaps by haplology from the expected *paranoioid
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for paranoid
Contemporary Examples
Historical Examples
  • He was the one to blame; he'd known Dorflay's paranoid condition for years.

    Ministry of Disturbance Henry Beam Piper
  • He has all the tendencies to suspicion that a paranoid personality has.

    Talents, Incorporated William Fitzgerald Jenkins
  • But a paranoid Talent could think of them, and know that they were true.

    Talents, Incorporated William Fitzgerald Jenkins
  • Knowing this, they are also paranoid but, as distinct from the classic pathology, they do have enemies.

    After the Rain Sam Vaknin
  • Even if it's a paranoid constitutional inferior like Jimmy's father.

    The Syndic C.M. Kornbluth
British Dictionary definitions for paranoid

paranoid

/ˈpærəˌnɔɪd/
adjective
1.
of, characterized by, or resembling paranoia
2.
(informal) exhibiting undue suspicion, fear of persecution, etc
noun
3.
a person who shows the behaviour patterns associated with paranoia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for paranoid
adj.

1901, irregularly formed from paranoia + -oid. As a noun, "a paranoid person," attested from 1922.

Online Etymology Dictionary, © 2010 Douglas Harper
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paranoid in Medicine

paranoid par·a·noid (pār'ə-noid')
adj.
Relating to, characteristic of, or affected with paranoia. n.
One affected with paranoia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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