kindness /ˈkaɪnd.nəs/noun 2forms 1phrases 1 noun2 •warm, caring behavior toward other people and a wish to help themJamie's kindness is legendary, so much that people have taken advantage of her. •An instance of kind or charitable behaviour.How can I thank you for your many kindnesses?Do me a kindness and leave. formskindnesses Phrases with kindness milk of human kindnessCompassion shown to other people.