1) Cloudiness 2) Dirtiness 3) Griminess 4) Mistiness 5) Turbidity 6) Turbidness 1) Cloudiness 2) Muckiness 3) Murkiness 4) Opacity 5) Opaqueness 
• (n.) The condition or quality of being muddy; turbidness; foulness caused by mud, dirt, or sediment; as, the muddiness of a stream. • (n.) Obscurity or confusion, as in treatment of a subject; intellectual dullness.
Mud'di·ness noun 1. The condition or quality of being muddy; turbidness; foulness caused by mud, dirt, or sediment; as, the muddiness of a stream. 2. Obscurity or confusion, as in treatment of a subject; intellectual dullness.