/ Dictionary / Index Y yeah: Meaning and Definition of Find definitions for: yeah Pronunciation: (yâ), [key] — adv. Informal. yes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: yeah (Thesaurus) Yeager yealing Related Content Daily Word Quiz: overture Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language