de·​con·​ges·​tant | \ ˌdē-kən-ˈje-stənt How to pronounce decongestant (audio) \

Definition of decongestant

: an agent that relieves congestion (as of mucous membranes)

Other Words from decongestant

decongestant adjective

Examples of decongestant in a Sentence

Recent Examples on the Web Ephedrine was the active ingredient in the over-the-counter decongestant Sudafed, and a long boom in meth supply followed. Sam Quinones, The Atlantic, 18 Oct. 2021 The Eustachian tube can be blocked by allergies or a cold, and pseudoephedrine or another decongestant is an effective treatment. Dr. Keith Roach, oregonlive, 21 July 2021 For God's sake, try a decongestant, some Claritin, a Neti pot — anything! Kristen Baldwin,, 6 July 2021 Clenbuterol can be used as a decongestant or bronchodilator. John Cherwa, Los Angeles Times, 29 Mar. 2021 Enter the intranasal vaccine, which abandons the needle and syringe for a spray container that looks more like a nasal decongestant. Daniel P. Oran, Scientific American, 1 Mar. 2021 But in those cases, using a decongestant can help, even if only temporarily. Erika Edwards, NBC News, 6 Jan. 2021 Decongestant: Congestion is a key feature of colds or the flu, and a decongestant is a cornerstone of any medicine cabinet. Ryan Prior, CNN, 4 June 2020 For allergies, there’s Allegra, Benadryl, and Claritin, plus epinephrine pens and pseudoephedrine, a decongestant. Troy Farah, Ars Technica, 8 June 2020 See More

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

First Known Use of decongestant

1947, in the meaning defined above

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The first known use of decongestant was in 1947

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Cite this Entry

“Decongestant.” Dictionary, Merriam-Webster, Accessed 4 Jul. 2022.

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More Definitions for decongestant


de·​con·​ges·​tant | \ ˌdē-kən-ˈjes-tənt How to pronounce decongestant (audio) \

Medical Definition of decongestant

 (Entry 1 of 2)

: an agent that relieves congestion (as of mucous membranes)



Medical Definition of decongestant (Entry 2 of 2)

: relieving or tending to relieve congestion nasal decongestant action

More from Merriam-Webster on decongestant

Nglish: Translation of decongestant for Spanish Speakers Encyclopedia article about decongestant


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