unjustified
1.unjustified enrichment
2.Your pessimism is unjustified.
3.persistent petty and unjustified criticism.
4.You have made several unjustified presuppositions.
5.That would be both rash and unjustified.
6.The action of the strikers was unjustified.
7.Minute, trivial, unnecessary, and unjustified criticism or faultfinding.
9.Compared with some paltry gains, these prices are unjustified and immoral.
10.Unjustified enrichment means obtaining benefits when making others losing without legal reason.

