/ Dictionary / Index U unfair competition: Meaning and Definition of Find definitions for: unfair' competi'tion Pronunciation: [key] acts done by a seller to confuse or deceive the public with intent to acquire a larger portion of the market, as by cutting prices below cost, misleading advertising, selling a spurious product under a false identity, etc. the use of any such methods. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unfair unfair practice Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language