Dust
Part of speech: verb
Definition: to remove dust from to remove dust; to clean by removing dust Of a bird, to cover itself in sand or dry, dusty earth to spray or cover something with fine powder or liquid
Part of speech: noun
Definition: fine, dry particles of matter
Dirt
Part of speech: noun
Definition: Soil or earth.A stain or spot (on clothes etc); any foreign substance that worsens appearance.Previously unknown negative facts (or invented "facts") about a person, gossip.