/ Dictionary / Index D decasualize: Meaning and Definition of Find definitions for: de•cas•u•al•ize Pronunciation: (dē-kazh'-u-līz"), [key] — -ized, -iz•ing. to reduce or eliminate the employment of (casual labor). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. decastylos decasyllabic 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