murkiness
mur·ki·ness
noun
1.
an atmosphere in which visibility is reduced because of a cloud of some substance
2.
Origin
From Middle English mirkines, equivalent to murky + -ness. Compare also Middle English mirkenes, merkenes (“darkness”).
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.