/ Dictionary / Index D demutualize: Meaning and Definition of Find definitions for: de•mu•tu•al•ize Pronunciation: (dē-my'ch-u-līz"), [key] — -ized, -iz•ing. to convert (a mutual life-insurance company) to a stockholder-owned corporation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Demuth demy 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