treacherous

Alternative form of cowhearted

hardhearted

Brave; audacious.

unfeeling

good; morally upright and honest

Alternative form of dark-hearted

Malevolent; cold and cruel. / (archaic) Unenlightened; ignorant of holy teachings. / Despondent. / Bleak. / Having dark heartwood. / Having a dark center.

Lacking compassion; cold and unfeeling.

timid; cowardly