Choose the perfect synonym or antonym for the word

Unfair

/ˌʌnˈfeə/

Treating people in a way that favors some over others or is not equal.

Synonyms:

It's unfair to say he didn't try.Life often feels unfair when things go wrong.

Derived from Old English unfæger, with un- meaning not and fæger meaning fair or beautiful; reflecting early notions of justice and aesthetics.

14 mentions per 1 million words

Moderate

Hint: Frequency according to COCA