paranoid

adjective

para·​noid ˈper-ə-ˌnȯid How to pronounce paranoid (audio)
ˌpa-rə-
variants or less commonly paranoidal
1
: characterized by or resembling paranoia or paranoid schizophrenia
a paranoid psychiatric patient
2
: characterized by suspiciousness, persecutory trends, or megalomania
behaving in a paranoid manner with accusations of persecutions
3
: extremely fearful
was so paranoid that he was afraid to walk the streets
paranoid noun

Examples of paranoid in a Sentence

I guess I was just being paranoid. She's a little paranoid about her job. It's nothing more than a paranoid fantasy.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Democrats have no rival to Trump, a master of propaganda whose face, voice and paranoid social media posts are everywhere all the time. Sun Sentinel Editorial Board, Sun Sentinel, 19 Mar. 2025 That’s too bad for several reasons, including Lee’s meticulous reconstruction of Hong Kong and Shanghai under Japanese occupation, paranoid, perilous places in which anyone could be working with the occupying forces or conspiring against them. Keith Phipps, Vulture, 19 Mar. 2025 Now, per the comic’s description, Cark will trek from Studio City to Venice Beach and onward into the paranoid sprawl of 21st-century Los Angeles, called to investigate his greatest mystery yet: himself. Borys Kit, The Hollywood Reporter, 17 Mar. 2025 Living alongside his wife and son, Goldberg has one eye over his shoulder always, paranoid the (literal) skeletons in his closet might soon spill out. Anna Kaufman, USA TODAY, 10 Mar. 2025 See All Example Sentences for paranoid

Word History

First Known Use

1901, in the meaning defined at sense 1

Time Traveler
The first known use of paranoid was in 1901

Cite this Entry

“Paranoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/paranoid. Accessed 29 Mar. 2025.

Kids Definition

paranoid

1 of 2 adjective
para·​noid
ˈpar-ə-ˌnȯid
1
: resembling paranoia
2
: marked especially by suspiciousness, distrust, and feelings of persecution
3
: extremely fearful
grew paranoid about losing her job

paranoid

2 of 2 noun
: one who is paranoid

Medical Definition

paranoid

1 of 2 adjective
para·​noid ˈpar-ə-ˌnȯid How to pronounce paranoid (audio)
variants also paranoidal
1
: characterized by or resembling paranoia or paranoid schizophrenia
2
: characterized by suspiciousness, persecutory trends, or megalomania

paranoid

2 of 2 noun
: one affected with paranoia or paranoid schizophrenia

called also paranoiac

More from Merriam-Webster on paranoid

Last Updated: - Updated example sentences
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