Droop/druːp/ Definition 1 of 3Pro Tip 1/3Physical Appearance Use 'droop' to describe objects affected by gravity or losing their stiffness. After the rain, the heavy blossoms began to droop. Pro Tip 2/3Indication of Neglect 'Droop' often implies lack of water or care when used about plants. The houseplants will droop if you forget to water them. Pro Tip 3/3Heat Effect In hot conditions, 'droop' can describe how objects or people appear weakened. They stood in the sweltering heat, flags drooping by their sides.