sludgy

/ˈslʌdʒi/
adjective
  1. Resembling or covered with sludge; thick, wet, and messy like mud or a similar substance.
    • The ground was sludgy after the heavy rain.
    • The riverbank felt sludgy under their feet.
    • He poured a sludgy mixture of cement and water into the mold.
  2. Having a thick, heavy, or slow-moving consistency, often used to describe liquids or music.
    • The coffee was sludgy and bitter from sitting too long.
    • The paint was too sludgy to spread evenly on the wall.
    • The band played a slow, sludgy rhythm that filled the room.
Antonyms
What does "sludgy" mean? | whatsthatwordmean | whatsthatwordmean