tenderful noun 2adjective 1forms 4 noun2 •A quantity that a tender (railroad car behind the engine) holds.His complaint was more than justified, for seldom have I seen such a tenderful of dust and sweepings. — 1951 •The quantity that a tender (ship that functions as a mobile base) holds.The sea tossed and jostled Rose and a tenderful of Willies. — 1936 adjective1 •(literary) tender; compassionate.You needn't have been so tenderful. I'm going to put on wedding-robes myself, you know. — 1863 formstenderfuls · tendersful · more tenderful · most tenderful