/ Dictionary / Index Y yukky: Meaning and Definition of Find definitions for: yuk•ky Pronunciation: (yuk'ē), [key] — -ki•er, -ki•est. yucky. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Yukawa meson Yukon Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language