adjective/du/
sweet; soft; mild; gentle (gradual rather than steep); fresh, not salty (of water)
“1837 Louis Viardot, L’Ingénieux Hidalgo Don Quichotte de la Manche, translation of El ingenioso hidalgo Don Quijote de la Mancha by Miguel de Cervantes Saavedra, Chapter I” — So taken away was he by such sweet thoughts and by the ineffable attraction that he found in them, he hurried to put his desire into practice.
Antonyms: raide
Inherited from Old French dous, from Latin dulcem (“sweet”).