/ Dictionary / Index B buyup: Meaning and Definition of Find definitions for: buy•up Pronunciation: (bī'up"), [key] — n. an act or instance of buying up: a spectacular buyup of the city's most valuable real estate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Buys-Ballot's law buzuki Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language