unfair

not fair or just; not treating people equally

injusto, desigual, injustamente tratado

• be unfair to somebody/something

Collocations unfair treatment · an unfair decision

• It's unfair to blame him for the accident.

  Es injusto culparlo del accidente.

giving an advantage or benefit to one person or group and not another; biased in favour of someone

desventajoso, discriminatorio

• be unfair to somebody/something

Collocations unfair advantage · an unfair competition

• The new rules are unfair to small businesses.

  Las nuevas reglas son desventajosas para las pequeñas empresas.