Having an honest heart; straightforward, free from duplicity. / Devoted; unambivalent and dedicated.

timid; easily frightened; chicken-hearted

(idiomatic) Kind and well-intentioned.

obstinate; stubborn; contumacious

Having a wicked, malignant disposition; morally bad.

(archaic, rare) Inhuman; cruel. / Very fond of dogs. / Subservient and lowly, like a pet dog.

(idiomatic) Having the joy and vitality associated with younger people, despite one's own advanced age.

Full of courage or nobleness, heroic. / Full of liveliness and passion, vivacious.

sincere; ingenuous; guileless

frank; sincere; artless