Heartful is an adjective used to describe something that is full of emotion or feeling, particularly compassion, love, or warmth. Synonyms for heartful include heartfelt, sincere, genuine, passionate, deep, touching, and intense. Words such as wholehearted and unreserved can be used to further emphasize the depth and authenticity of the emotion being expressed. Other synonyms include profound, emotional, and tender, which all convey a sense of sensitivity and vulnerability. Whether used to describe a person, thought, or action, heartful synonyms convey an intense emotional connection between the subject and the observer.