adj. 25B6; adjective
the trial was unfair : UNJUST, inequitable, prejudiced, biased, discriminatory; one-sided, unequal, uneven, unbalanced, partisan.
his comments were unfair : UNDESERVED, unmerited, uncalled for, unreasonable, unjustified; Brit. informal out of order.
unfair play : UNSPORTING, unsportsmanlike, dirty, below the belt, underhand, dishonourable.
you're being very unfair : INCONSIDERATE, thoughtless, insensitive, selfish, mean, unkind, unreasonable.
just, justified.