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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
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. 2014.
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Examples for paranoiac
  • The writer is officially diagnosed as a paranoiac schizophrenic, potentially dangerous.
  • Even this is a little cavalier for the true paranoiac, who avoids die in a handler because the system is out to get you.
Word Origin and History for paranoiac

1892 (n. and adj.), from paranoia on model of maniac, etc.

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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paranoiac in Medicine

paranoiac par·a·noi·ac (pār'ə-noi'āk', -noi'ĭk)
n.
A paranoid. adj.
Of, relating to, or resembling paranoia.

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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