n. The state or quality of being kind; good will; benevolence; beneficence of action or manner.n. A kindly or tender feeling; affection; love.n. That which is kind; an act of good will; a benefaction: as, to do one a kindness.n. Accordance with mood or desire; fitness; agreeableness; congruity: as, the kindness of the elements.n. Synonyms Tenderness,compassion, humanity, clemency, mildness, gentleness, goodness, generosity, fellow-feeling. See benignant and kindly.