/ Dictionary / Index Y yakuza: Meaning and Definition of Find definitions for: ya•ku•za Pronunciation: (yä'koo-zä"), [key] — pl. -za. any of various tightly knit Japanese criminal organizations having a ritualistic, strict code of honor. such organizations collectively. a member of such an organization; gangster. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: yakuza (Thesaurus) Yakutsk Yale 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