noun1. dry fine powdery material, such as particles of dirt, earth or pollen
2. a cloud of such fine particles
3. the powdery particles to which something is thought to be reduced by death, decay, or disintegration
4. a. the mortal body of humans
b. the corpse of a dead person
6. informal a disturbance; fuss (esp in the phrases kick up a dust, raise a dust)
7. something of little or no worth
8. informal (in mining parlance) silicosis or any similar respiratory disease
9. short for gold dust
10. ashes or household refuse
11. bite the dust
12. dust and ashes
13. leave someone or something in the dust
14. shake the dust off one's feet
15. throw dust in the eyes of
verb16. (transitive) to sprinkle or cover (something) with (dust or some other powdery substance)
to dust a cake with sugar
to dust sugar onto a cake
17. to remove dust by wiping, sweeping, or brushing
18. archaic to make or become dirty with dust