decongest

[ dee-kuh n-jest ]
/ ˌdi kənˈdʒɛst /

verb (used with object)

to diminish or end the congestion of.

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Origin of decongest

1955–60; de- + congest, or by back formation from decongestant

OTHER WORDS FROM decongest

de·con·ges·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for decongest

decongest
[ dē′kən-jĕst ]

v.

To relieve congestion, such as of the sinuses.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.