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sicko

American  
[sik-oh] / ˈsɪk oʊ /

noun

Slang.
  • sickos
    plural
  1. sickie.


sicko British  
/ ˈsɪkəʊ /

noun

  1. a person who is mentally disturbed or perverted

"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

adjective

  1. perverted or in bad taste

    sicko prurience

"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

Usage

What does sicko mean? Sicko is a slang word for someone considered deranged, sadistic, perverted, disturbed, or the like.

Other Word Forms

Noun Inflected Forms


Etymology

Origin of sicko

sick 1 + -o


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It’s worth watching the whole thing, if you’re exactly the right kind of sicko.

From Salon ● Apr. 26, 2026

Cycling through head coaches like Hollywood assistants who can’t perfect a Starbucks order is another symptom of college football’s sicko economy.

From The Wall Street Journal ● Nov. 4, 2025

If you’re a sicko, buy the Orange Push-Up shake, which looks radioactive and tastes like being 7 years old.

From Slate ● Sep. 5, 2023

Even worse, it is strongly implied that David is just a sicko, through and through — and that he has been since before the end times.

From New York Times ● Mar. 5, 2023

“Don’t listen to my sicko brother, Emma Lee,” Mary Anne said.

From "The Great Santini" by Pat Conroy

Fashion weeks are like summer camps for style sickos.

From Los Angeles Times ● Nov. 19, 2024

Other findings from the poll: Americans are kind of sickos.

From Slate ● Jun. 24, 2023

Photo: Wingnut Films Who it’s for Adult puppetry aficionados and total sickos.

From The Verge ● Aug. 24, 2018

We've all watched Man on Wire and a bunch of sickos watched that dude walk on a tight wire over the Grand Canyon.

From Golf Digest ● Apr. 17, 2018

Predator doesn't begin to describe these creepy and deranged individuals and thankfully women now feel empowered to expose these sickos for who they are.

From New York Times ● Dec. 19, 2017

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