/ Dictionary / Index Y yackety-yak: Meaning and Definition of Find definitions for: yack•e•ty-yak Pronunciation: (yak'i-tē-yak'), [key] — n. -yakked, -yak•king, yak. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yack yad* Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language