/ Dictionary / Index Y yawnful: Meaning and Definition of Find definitions for: yawn•ful Pronunciation: (yôn'ful), [key] — adj. causing or arousing yawns, esp. as the result of boredom, tedium, or the like: a yawnful story about her childhood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yawner yawning Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language