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Definition of decongest

decongest

/ˌdiːkənˈdʒɛst/
de · con · gest
Adjective:decongestant
•
Past Simple:decongested
•
Past Participle:decongested
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Present Participle:decongesting
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decongest Lexical Profile

decongest Game Scores & Validity

• verb

1

To alleviate overcrowding or heavy traffic in a place, thoroughfare, or network.

Example

"The city council introduced new commuter rail lines to decongest the downtown highways during rush hour."

2

To relieve the abnormal accumulation of mucus or fluid in a bodily organ or passage (especially the nasal sinuses or respiratory tract).

Example

"Inhaling warm steam with eucalyptus oil can help decongest blocked nasal passages during a cold."

Synonyms
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Antonyms
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• Rhymes for decongest

• Nearby Words

decomposition
decompress
decompression
decongest
decongestant
decongestion
deconstruct

Word Origin & Etymology

Formed in the late 19th century by adding the privative prefix 'de-' to 'congest', which derives from the Latin 'congestus', the past participle of 'congerere' (meaning 'to bring together' or 'to heap up').

Cite this Entry

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