/ Dictionary / Index I immaterialize: Meaning and Definition of Find definitions for: im•ma•te•ri•al•ize Pronunciation: (im"u-tēr'ē-u-līz"), [key] — -ized, -iz•ing. to make immaterial. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: immaterialize (Thesaurus) immateriality immature Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language