/ Dictionary / Index Y yah: Meaning and Definition of Find definitions for: yah Pronunciation: (yä, yâ), [key] an exclamation of impatience or derision. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Yagi antenna Yahata 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