noun
- thick, soft, wet mud or a similar viscous mixture of liquid and solid components
- sewage or industrial waste matter
Examples
- The construction site was covered in thick sludge after the heavy rain.
- Workers had to remove the toxic sludge from the contaminated pond.
- The treatment plant processes sewage sludge before disposal.
- Her boots got stuck in the sludge at the bottom of the creek.
- The factory was fined for dumping industrial sludge into the river.
- After the flood, a layer of brown sludge covered the basement floor.