From English 'unfair'. Expresses that something is not fair—rules or treatment that are unjust; used as a na-adjective.
その判定は明らかにアンフェアだと選手たちは抗議した。
The players protested, saying the ruling was clearly unfair.
アンフェアな条件で契約を結ばされた。
I was forced to sign a contract under unfair conditions.
競技はフェアであるべきで、アンフェアな行為は許されない。
Competition should be fair; unfair conduct is not allowed.