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:
slime
muck
gunk
goop
goo
matter
guck
gook
ooze
sapropel
Antonyms:
unhurried
rise
ascend
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