decongestant

noun

de·​con·​ges·​tant ˌdē-kən-ˈje-stənt How to pronounce decongestant (audio)
: an agent that relieves congestion (as of mucous membranes)
decongestant adjective

Examples of decongestant in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Residents often receive combinations of painkillers, sleeping aids, decongestants and other drugs, many of which were included in the study. Khloe Quill, FOXNews.com, 28 Aug. 2025 Also known by the brand name Sudafed, this common nasal decongestant is banned in Japan and Mexico. Lauren Dana Ellman, Travel + Leisure, 4 Aug. 2025 Examples of these newer antihistamines include: Oral decongestants, such as pseudoephedrine, which is typically found behind the counter. Karen Berger, Verywell Health, 29 July 2025 Use over-the-counter antihistamines, nasal sprays and decongestants as needed. Chad Murphy, The Enquirer, 2 July 2025 See All Example Sentences for decongestant

Word History

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of decongestant was in 1947

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Cite this Entry

“Decongestant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decongestant. Accessed 7 Sep. 2025.

Medical Definition

decongestant

1 of 2 noun
de·​con·​ges·​tant ˌdē-kən-ˈjes-tənt How to pronounce decongestant (audio)
: an agent that relieves congestion (as of mucous membranes)

decongestant

2 of 2 adjective
: relieving or tending to relieve congestion
nasal decongestant action

More from Merriam-Webster on decongestant

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