Find Synonyms

slag Synonyms

Another word for slag

Choosing another word for slag depends on context, so the 15 synonyms and similar words below are separated across 4 exact definitions and ranked by match strength.
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• noun (Context 1)

Stony, glassy waste matter separated from metals during the smelting or refining of ore.

Usage Example

"Huge heaps of dark dross surrounded the old nineteenth-century ironworks."

Strongest
dross
Strong
scoria
clinker
cinder

• noun (Context 2)

A contemptible or promiscuous person, especially a woman (used as a derogatory slang term).

Usage Example

"The television drama was criticized by viewers for its frequent use of derogatory terms like slut."

Strongest
slut
Strong
tramp
trollop
strumpet

• verb (Context 3)

To criticize, insult, or speak abusively about someone (often used with 'off').

Usage Example

"The lead singer used the interview to bad-mouth his former bandmates."

Strongest
bad-mouth
run down
Strong
disparage
denigrate
belittle
trash-talk
malign

• noun (Context 4)

Rough, porous volcanic rock or pyroclastic fragments resembling the waste produced in metal smelting.

Usage Example

"Geologists examined the dark volcanic scoria scattered across the slopes of the crater."

Strongest
scoria
Strong
cinder

Opposites of slag

The opposite of slag shifts depending on context. Common opposites include:

praise
compliment
commend
flatter
See all opposites of slag

Cite this Entry


Wordmom. (2026). Synonyms for Slag. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/slag
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