In the 1960's people were very cruel to blacks,
The citizens were oppressed by their cruel dictator.
Why are you so cruel to me?That was a very cruel thing to do.
"Can you use cruel in a sentence?" is a sentence, so yes, unless you mean something else?
Infidelity is rampant among the selfish, cruel leaders.
Being cruel is not an innate condition.
you are as cruel as a tiger
Here are some sentences.It is cruel to make fun of someone.Don't be cruel to her.
This seems a very cruel fate for an innocent, harmless sheet of paper.
Oxymoron is the word you are looking for.Example:'He looked at her with cruel kindness'.The expression 'cruel kindness' is an oxymoronbringing out a self-contradictory effect in the sentence.
Example sentence - She would have readily have forgiven him but he continued to be cruel so she left him.
The jocks at school are cruel to the nerds.My brother is cruel to me because I beat him at video games.
He wanted to enter, but the guards Deprived him. You can not deprive me from seeing my son.