/ Dictionary / Index C coalitionism: Meaning and Definition of Find definitions for: co•a•li•tion•ism Pronunciation: (kō"u-lish'u-niz"um), [key] — n. the idea, principle, or policy of favoring or supporting the concept of coalition or a specific coalition, esp. in politics. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coalition coal measures 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