Word.ws English Dictionary

Synonyms of slag

120 similar words

Another word for slag is dross. Other synonyms of slag are goafing, gobbin, mullock, recrement and scoria.

Synonyms and similar words for slag

nounWaste material from a mine.

  • goafingWaste material in a mine typically used as a filler.
  • gobbinWaste material in old mine workings.
  • mullock

nounScum that forms on the surface of molten metal.

  • drossResidue that forms as a scum on the surface of molten metal from oxidation.

nounImpurities formed and separated out when a metal is smelted from ore; vitrified cinders.

  • recrement
  • scoriaThe slag or dross that remains after the smelting of metal from an ore.

nounHard aggregate remaining as a residue from blast furnaces, sometimes used as a surfacing material.

  • clinkerSlag or ash produced by intense heat in a furnace, kiln or boiler that forms a hard residue upon cooling.

nounA prostitute or promiscuous woman; a slut.

Meaning of slag

  1. noun Waste material from a mine.
  2. noun Scum that forms on the surface of molten metal.
  3. noun Impurities formed and separated out when a metal is smelted from ore; vitrified cinders.

Full definition of slag

slag in other languages

Questions about synonyms of slag

What is another word for slag?
Slag has 120 synonyms on Word.ws, such as dross, goafing, gobbin, mullock, recrement, scoria, clinker and hussy.
What does slag mean?
Slag means waste material from a mine.

Source and license

Adapted from Wiktionary: slag (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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Cite this page: “Synonyms of slag.” Word.ws, https://word.ws/synonyms/slag. Based on Wiktionary, CC BY-SA 4.0.