1. Watery mud or snow; a soft greasy mixture.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• sleugh,
• sleshi,
• sluch,
• slpash,
• fluch,
• sarsh,
• siuch,
• slaysh,
• clush,
• slegh,
• sluth,
• slfish,
• sushe,
• sloch,
• sloush,
• selish,
• selfsh,
• sylish,
• lusch,
• slught

• slouch,
• slacks,
• Sloas,
• sloss,
• sligh,
• Slaugh,
• slushy,
• slough,
• slask,
• sluss,
• slews,
• sleigh,
• sls,
• slash,
• slouchy,
• sloughy,
• slosh.

The adverb form of "slush" is "slushily".

The adjective form of "slush" is "slushy".

The plural of the "slush" can be the "slushes".

The singular of the "slush" can be the "slush".