Mud
Here is the meaning and Word Scramble Game information for Mud
MUD6 is a valid Scrabble Word in NWL, formerly TWL (USA, Thailand, Canada)
MUD6 is a valid Scrabble Word in CSW, formerly SOWPODS (Other Countries)
MUD8 is a valid word in WWF
(n.) Earth and water mixed so as to be soft and adhesive.
(v. t.) To bury in mud.
(v. t.) To make muddy or turbid.