murk.

Darkness or thick haze that makes things difficult to see clearly.

Use it for

Words that belong together

• peer into the murk
• murk of the water

On the page

The lantern revealed only a few feet of the murk ahead.

Usage notes

Primary category: setting / environment. Forms: Usually uncountable; no ordinary plural in this sense. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.