'Cruel' in the Bible

Lest thou give thine honour unto others, and thy years unto the cruel:

The merciful man doeth good to his own soul: but he that is cruel troubleth his own flesh.

A righteous man regardeth the life of his beast: but the tender mercies of the wicked are cruel.

An evil man seeketh only rebellion: therefore a cruel messenger shall be sent against him.

Wrath is cruel, and anger is outrageous; but who is able to stand before envy?