/ Dictionary / Index D decolorize: Meaning and Definition of Find definitions for: de•col•or•ize Pronunciation: (dē-kul'u-rīz"), [key] — -ized, -iz•ing. to decolor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: decolorize (Thesaurus) decolorant decommission Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language