/ Dictionary / Index Y yawner: Meaning and Definition of Find definitions for: yawn•er Pronunciation: (yô'nur), [key] — n. a person who yawns. yawn (def. 8). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: yawner (Thesaurus) yawn yawnful Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language