/ Dictionary / Index D delusterant: Meaning and Definition of Find definitions for: de•lus•ter•ant Pronunciation: (dē-lus'tur-unt), [key] — n. a chemical agent, as titanium dioxide, used in reducing the sheen of a yarn or fabric. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. delusive delustering Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language