faint-hearted

timid people considered as a group

Lacking courage; timid

(idiomatic) One's innermost private feelings.

Without sympathy, feeling or compassion; callous or heartless

(obsolete) Da Costa's syndrome, a disorder of the heart related to combat.

Having the traditional shape of a heart (♥), that is pointed at one end and indented at the opposite side.

(idiomatic) To provide happiness, to bring a deeply-felt contentment.

Very despondent or sorrowful.

(idiomatic) That causes extreme sorrow or grief.