1. Crassitude: Coarseness; thickness; denseness

2. 7 synonyms for Compactness: density, solidity, thickness, concentration, denseness, density, tightness

3. Antonyms for Blankness include fullness, fulness, crowdedness, crowding, denseness, density, animation, acuity, intelligence and cleverness

4. The denseness of fur can increase an animal's insulation value, and arctic mammals especially have dense fur; for example, the musk ox has guard hairs measuring 30 cm (12 in) as well as a dense underfur, which forms an airtight coat, allowing them to survive in temperatures of −40 °C (−40 °F).