Definition of dust

• n. - Fine, dry particles of earth or other matter, so comminuted that they may be raised and wafted by the wind; that which is crumbled too minute portions; fine powder; as, clouds of dust; bone dust.
• n. - A single particle of earth or other matter.
• n. - The earth, as the resting place of the dead.
• n. - The earthy remains of bodies once alive; the remains of the human body.
• n. - Figuratively, a worthless thing.
• n. - Figuratively, a low or mean condition.
• n. - Gold dust
• n. - Coined money; cash.
• v. t. - To free from dust; to brush, wipe, or sweep away dust from; as, to dust a table or a floor.
• v. t. - To sprinkle with dust.
• v. t. - To reduce to a fine powder; to levigate.