What is the opposite of dust?

What is the opposite of dust? Opposite of dust depends on context. Dust as noun meaning fine dry particles, opposite could be cleanliness, as dust represents dirt, so opposite is clean surface or cleanliness. In terms of material, opposite of dust as fine dry particles could be solid mass, block, or liquid, as dust is tiny dispersed particles while opposite is large solid or liquid. In biblical phrase dust to dust representing mortality, opposite of dust could be life, spirit, or flesh. In cleaning context, opposite of dusty is clean, spotless, or dust-free. In atmospheric sense, opposite of dusty air could be clear air. So conceptual opposites include clean, cleanliness, wetness, as dust is dry, so wet or moist could be opposite, and solid block versus powder. So opposite of dust is cleanliness or solid mass, depending on whether emphasizing dirtiness, particle size, or dryness, with clean being most common opposite in everyday use.