UNFAIR Meaning of UNFAIR in English adj.1 not equitable or honest (obtained by unfair means). 2 not impartial or according to the rules (unfair play). Derivatives: unfairly adv. unfairness n. Etymology: OE unf{aelig}ger (as UN-(1), FAIR(1)) Oxford English vocab. Оксфордский английский словарь. 2012