The meaning of UNFAIR is marked by injustice, partiality, or deception : unjust. How to use unfair in a sentence. marked by injustice, partiality, or deception : unjust; not equitable in business dealings… See the full definition. Games; Word of the Day; Grammar; Wordplay; New Slang; Rhymes; Word Finder; Thesaurus; Join MWU; More ...

UNFAIR definition: 1. not treating people in an equal way, or not morally right: 2. not treating people in an equal…. Learn more.