You have it in you to be completely ruthless.

They are completely ruthless about protecting what they have.

That my father is a completely ruthless man.

Unlike his brother, Kiryu is wicked and completely ruthless.

It serves the purposes of the pirate chief, a completely ruthless killer, to let Hart live.

The eldest daughter, a beautiful blonde who is completely ruthless and sociopathic.

He will be completely ruthless if he is a good one.

Orkan states of them "they are disciplined, mindless and completely ruthless".

Out of all the witches, she seems to be the only one not completely ruthless, and before being killed, tells her assassin this.

Harry was quite emphatic, and completely ruthless, for her husband was nodding in agreement.