It was a big injustice. We've missed a number of chances and the goalkeeper's made some blinding saves.

You just need to be a flea against injustice. Enough committed fleas biting strategically can make even the biggest dog uncomfortable and transform even the biggest nation.

In discarding the monkey and substituting man, our Father in Heaven did the monkey an undeserved injustice

A terrible injustice was done to that river.

We feel an injustice is happening,

gives a feeling of injustice.