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Definition of decongestant

decongestant

/ˌdiːkənˈdʒɛstənt/
de · con · ges · tant
Plural:decongestants
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decongestant Lexical Profile

decongestant Game Scores & Validity

• noun

1

A medicinal drug or agent used to relieve nasal or sinus congestion by reducing swelling of the mucous membranes.

Example

"The pharmacist recommended an over-the-counter decongestant to help clear my blocked sinuses."

• adjective

1

Serving or used to relieve congestion, especially in the nasal passages.

Example

"She used a decongestant nasal spray before boarding the flight to prevent ear pressure."

Antonyms
View all antonyms for decongestant

• Rhymes for decongestant

• Nearby Words

decompress
decompression
decongest
decongestant
decongestion
deconstruct
deconstructed

Word Origin & Etymology

Coined in the mid-20th century from the prefix 'de-' (indicating removal or reversal) and 'congestant', ultimately deriving from Latin 'congerere' ('to bring together' or 'to heap up').

Cite this Entry

Wordmom. (2026). Definition of Decongestant. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/decongestant
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