/ Dictionary / Index Y Yahwism: Meaning and Definition of Find definitions for: Yah•wism Pronunciation: (yä'wiz-um), [key] — n. the worship of Yahweh or the religious system based on such worship. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Yahweh Yahwist Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language