Synonyms and Antonyms for
sludge
1. sludge (n.)
the precipitate produced by sewage treatment
Synonyms:
precipitate
Antonyms:
clean
inconsequence
2. sludge (n.)
any thick, viscous matter
Synonyms:
sapropel
goo
gunk
guck
gook
slime
muck
matter
ooze
goop
Antonyms:
unhurried
rise
ascend
