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Definition of decongestion

decongestion

/ˌdiːkənˈdʒɛstʃən/
de · con · ges · tion
Plural:decongestions
•
Adjective:decongestive
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decongestion Lexical Profile

decongestion Game Scores & Validity

• noun

1

The medical relief or clearing of abnormal fluid accumulation, swelling, or mucus blockage in a bodily organ or passage, especially the nasal passages or sinuses.

Example

"The saline spray provided rapid nasal decongestion, allowing the patient to breathe comfortably through the night."

2

The reduction or alleviation of overcrowding, excessive traffic, or overpopulation in a physical space, transit network, or institution.

Example

"The city council invested in commuter rail expansion to achieve long-term decongestion of the downtown highway network."

Synonyms
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Antonyms
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• Rhymes for decongestion

• Nearby Words

decompression
decongest
decongestant
decongestion
deconstruct
deconstructed
deconstruction

Word Origin & Etymology

Formed in the late 19th century by adding the privative prefix 'de-' to 'congestion', which derives from the Latin 'congestio' (a heaping up or accumulation), from 'congerere' (to bring together).

Cite this Entry

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