sludge

Meaning

Noun

1. Solids separated from suspension in a liquid.
2. A residual semi-solid material left from industrial, water treatment, or wastewater treatment processes.
3. A sediment of accumulated minerals in a steam boiler.
4. A mass of small pieces of ice on the surface of a water body.
5. Ellipsis of sludge metal.

Verb

1. (informal) To slump or slouch.
2. To slop or drip slowly.

Synonyms

mud

slime

ooze

mire

muck

silt

slush

sediment

guck

puddle

dregs

gunk

quagmire

goo

gook

sewage sludge

goop

effluent sludge

slurry

filth

suspension

trudge

chemical ooze

fango

soft mud

mud accumulation

ice scum

alluvium

mud silting

clay

dreg

frost

grease

grime

gumbo

ice

🧊

lees

mess

morass

mortar

mush

pulp

quicksand

refuse

rime

slab

slap

slosh

Pronounced as (IPA)

/slʌd͡ʒ/

Etymology

Possibly related to slush.