ste·​roid | \ ˈster-ˌȯid How to pronounce steroid (audio) also ˈstir- How to pronounce steroid (audio) \
plural steroids

Definition of steroid

: any of various compounds containing a 17-carbon 4-ring system and including the sterols and numerous hormones (such as anabolic steroids or corticosteroids) and glycosides Fifty steroids have been shown to be present in the adrenal cortex. Only seven of these, however, have been shown to exert a significant biological effect related to adrenal cortical function.— John E. Hoover often, specifically : anabolic steroid an athlete taking/using steroids a steroid user Their … reporting triggered a national wake-up call about steroid use that led to congressional hearings, and, at long last, steroid testing in baseball. — Rick Reilly
on steroids
1 : taking anabolic steroids an athlete accused of being on steroids The term [road rage] was presumably based on "roid rage," referring to sudden violent activity by people on steroids.— Michael Fumento
2 informal : greatly increased in size or power beyond what is normal or usual With one giant claw and one smaller one, the creature looks like a fiddler crab on steroids.— Don Wilson … the inflation of a military budget that already looks as though it's on steroids.— Donald Kaul Only technology could cook it in record time. A microwave oven on steroids, that cooks eight times faster than other conventional ovens.— James Hattori et al.

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Other Words from steroid

steroid or steroidal \ stə-​ˈrȯi-​dᵊl How to pronounce steroid (audio) \ adjective

Examples of steroid in a Sentence

He was accused of taking steroids.
Recent Examples on the Web Doctors were allowed to give all patients standard treatments like the steroid dexamethasone and the antiviral remdesivir. Matthew Herper, STAT, 17 June 2021 That includes the steroid dexamethasone, which limits the deadly cycle of inflammation the virus can trigger in the lungs. San Diego Union-Tribune, 4 June 2021 In the book, Canseco recounts his own steroid use and implicates other players. Cnn Editorial Research, CNN, 26 May 2021 Kim, an assistant professor in the division of rheumatology, said one perplexing finding is that steroid use also appeared to diminish the vaccine response. Author: Ariana Eunjung Cha, Anchorage Daily News, 19 May 2021 Prince Surana, a doctor and CEO of several private hospitals in Mumbai, said reports of mucormycosis at other local hospitals had led his group to tighten policies on steroid use that have, so far, prevented black fungus infections. Washington Post, 11 May 2021 Adams fired back at Roger Clemens, bringing up allegations of steroid use during his 24-year career and questioning if that's why the pitcher isn't currently in the Hall of Fame. Matt Young, Chron, 2 Feb. 2021 Alex Rodriguez, who was suspended an entire season for steroid use; and David Ortiz, whom the New York Times reported had failed a drug test in a year when there were no penalties or public admonishments for doing so. Bill Shaikin, Los Angeles Times, 26 Jan. 2021 There were managers and GMs encouraging steroid use. Bob Nightengale, USA TODAY, 25 Jan. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'steroid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of steroid

1926, in the meaning defined above

History and Etymology for steroid

International Scientific Vocabulary sterol + -oid

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Time Traveler for steroid

Time Traveler

The first known use of steroid was in 1926

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Statistics for steroid

Last Updated

19 Jun 2021

Cite this Entry

“Steroid.” Dictionary, Merriam-Webster, Accessed 22 Jun. 2021.

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More Definitions for steroid



English Language Learners Definition of steroid

: a natural substance that is produced in the body


ste·​roid | \ ˈstir-ˌȯid How to pronounce steroid (audio) , ˈster- \

Kids Definition of steroid

: any of various chemical compounds that include many hormones (as anabolic steroids)


ste·​roid | \ ˈsti(ə)r-ˌȯid also ˈste(ə)r- \

Medical Definition of steroid

: any of numerous natural or synthetic compounds containing a 17-carbon 4-ring system and including the sterols and various hormones and glycosides — see anabolic steroid

Other Words from steroid

steroid or steroidal \ stə-​ˈrȯid-​ᵊl How to pronounce steroid (audio) \ adjective

More from Merriam-Webster on steroid

Nglish: Translation of steroid for Spanish Speakers

Britannica English: Translation of steroid for Arabic Speakers Encyclopedia article about steroid


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