/ Dictionary / Index D decongestive: Meaning and Definition of Find definitions for: de•con•ges•tive Pronunciation: (dē"kun-jes'tiv), [key] — adj. Med. relieving or tending to relieve congestion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. decongestant deconstruct Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language