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steroid

American  
[steer-oid, ster-] / ˈstɪər ɔɪd, ˈstɛr- /

noun

  1. any of a large group of fat-soluble organic compounds, as the sterols, bile acids, and sex hormones, most of which have specific physiological action.

  2. anabolic steroid.


adjective

  1. Also steroidal pertaining to or characteristic of a steroid.

idioms

  1. on steroids, much larger, stronger, or more extreme than is normal or expected.

    Yosemite is nature on steroids. He's so lovable, he's like Santa Claus on steroids.

steroid British  
/ ˈstɛr-, ˈstɪərɔɪd /

noun

  1. biochem any of a large group of fat-soluble organic compounds containing a characteristic chemical ring system. The majority, including the sterols, bile acids, many hormones, and the D vitamins, have important physiological action

"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

steroid Scientific  
/ stĕroid′ /
  1. Any of a large class of organic compounds having as a basis 17 carbon atoms arranged in four rings fused together. Steroids include many biologically important compounds, including cholesterol and other sterols, the sex hormones (such as testosterone and estrogen), bile acids, adrenal hormones, plant alkaloids, and certain forms of vitamins.

  2. Any of various hormones having the structure of a steroid that are made synthetically, especially for use in medicine.

  3. An anabolic steroid.


steroid Cultural  
  1. A group of molecules that includes cholesterol. The sex hormones estrogen and testosterone are built from steroids, as are many modern anti-inflammatory drugs.


Discover More

Steroids are often used illegally to increase the performance of competitive athletes of almost all age groups. They are banned in many athletic competitions, such as the Olympic Games.

Other Word Forms

  • steroidal adjective

Etymology

Origin of steroid

First recorded in 1925–30; ster(ol) + -oid

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.

"We have to make progress one way or the other to tear down the barriers that prevent us from being a true global giant," she said, calling the current system "fragmentation on steroids."

From Barron's

One surveillance company, Flock Safety, catering to exactly this sentiment, described its tool as “AI providing steroids or creating superhuman capabilities” for crime analysts.

From Salon

“This is the information revolution on steroids,” he said.

From The Wall Street Journal

Some market participants say silver is behaving like “gold squared” and “gold on steroids.”

From The Wall Street Journal

"I just had about a million different steroid treatments," she said.

From BBC