the quality or state of being warm; moderate or gentle heat.

the sensation of moderate heat.

liveliness of feelings, emotions, or sympathies; ardor or fervor; enthusiasm or zeal: She spoke her mind with great warmth. There was warmth in his greeting and in his handshake.

the quality of being intimate and attached: All children need warmth and affection from their families.

an effect of brightness, cheerfulness, coziness, etc., achieved by the use of warm colors: The room has warmth since it was redecorated.