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suppressant

American  
[suh-pres-uhnt] / səˈprɛs ənt /

noun

  1. a substance that suppresses an undesirable action or condition.

    an appetite suppressant.


suppressant British  
/ səˈprɛsənt /

adjective

  1. tending to suppress or restrain an action or condition

"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

noun

  1. a suppressant drug or agent

    a cough suppressant

"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

Etymology

Origin of suppressant

1940–45; suppress ( def. ) + -ant

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:

Jabs such as these work as an appetite suppressant, making people feel fuller, while Mounjaro also affects metabolism and helps regulate energy balance.

From BBC May 2, 2026

The Aviation Safety Network, which tracks airline accidents, published photos of the damaged plane in a grassy field surrounded by fire suppressant foam on X, formerly known as Twitter.

From Seattle Times May 9, 2024

Surprisingly, the IL-10 molecule was traditionally viewed as an immune suppressant.

From Science Daily Jan. 4, 2024

Researchers from the Food and Drug Administration authored an article in the journal Pediatrics that warns parents against giving young children cough suppressant medications.

From Washington Post Dec. 15, 2022

CCK also travels to the brain, where it can act as a hunger suppressant.

From Textbooks Jun. 19, 2013

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