unfair
adjective
1 an unfair trial:
unjust, inequitable, prejudiced, biased, discriminatory;
preferential, one-sided, unequal, uneven, unbalanced, non-objective, partisan, partial, intolerant, bigoted, coloured, distorted, warped, loaded, weighted, slanted.
▷antonyms fair, just.
2 his comments were excessive and unfair:
undeserved, unmerited, uncalled for, unreasonable, unjustified, unjustifiable, unwarrantable, out of proportion, disproportionate, excessive, extreme, immoderate;
informal a bit much;
British, informal off, a bit thick.
▷antonyms fair, justified.
unfair Oxford Dictionary of English