Unjust
Part of speech: adjective
Definition: Not fair, just or right.
Example sentence: But I say to you, Love your enemies and pray for those who persecute you, so that you may be sons of your Father who is in heaven; for he makes his sun rise on the evil and on the good, and sends rain on the just and on the unjust.
Unfair
Part of speech: adjective
Definition: Not fair, unjust.
Example sentence: Mountains are not fair or unfair - they are dangerous.