paranoid

[ par-uh-noid ]
See synonyms for paranoid on Thesaurus.com
adjective
  1. of, like, or experiencing paranoia.

noun
  1. a person with paranoia.

Origin of paranoid

1
First recorded in 1900–05; paranoi(a) + -oid, with base and suffix merged, perhaps by shortening of the expected but unrecorded paranoioid
  • Also par·a·noi·ac; Archaic, par·a·noe·ac [par-uh-noi-ak, -ik] /ˌpær əˈnɔɪ æk, -ɪk/ .

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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
  1. 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