/ Dictionary / Index O overbuy: Meaning and Definition of Find definitions for: o•ver•buy Pronunciation: (ō"vur-bī'), [key] — v., -bought, -buy•ing. —v.t. to purchase in excessive quantities. to buy on margin in excess of one's ability to provide added security in an emergency, as in a falling market. —v.i. to buy regardless of one's needs or financial means. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. overburdensome overcall Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language