wet, soft earth or earthy matter, as on the ground after rain, at the bottom of a pond, or along the banks of a river; mire.

Informal . scandalous or malicious assertions or information

The opposition threw a lot of mud at our candidate.

Slang . brewed coffee, esp. when strong or bitter.

a mixture of chemicals and other substances pumped into a drilling rig chiefly as a lubricant for the bit and shaft.

to cover, smear, or spatter with mud

to mud the walls of a hut.

to stir up the mud or sediment in

waders mudding the clear water.

to hide in or burrow into mud.

noun

clay , mire , muck , ooze , silt , slab , sludge , slush , dirt , mush , roil , slime , soil

verb

bemire , mire , muck , slush