Dust″y (–y̆), a. [Compar.Dustier (–ĭ‐ẽr); superl.Dustiest (–ĭ‐ĕst).] [AS. dystig. See Dust.] 1. Filled, covered, or sprinkled with dust; clouded with dust; as, a dusty table; also, reducing to dust.
And all our yesterdays have lighted fools
The way to dusty death. Shak.
2. Like dust; of the color of dust; as, a dusty white.
Dusty miller(Bot.), a plant (Cineraria maritima); — so called because of the ashy-white coating of its leaves.