Ranked by relevance and common usage.
Keep "slaggy" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Choose a synonym only if it keeps the core idea of "slaggy" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
After choosing a replacement for "slaggy", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "slaggy" or choose a simpler alternative from the closest-match group.
6 total sentences available.
1834, Robert Allan, Abstract of a Paper accompanying a Suite of Volcanic Rocks from the Lipari Islands, Transactions of the Royal Society of Edinburgh, Volume 12, 531, Some portions of this obsidian are less compact, and in No, 2. we remark indications of a more slaggy structure, with several white veins intersecting the black surface in a very beautiful manner.
Source: wiktionary
From here to the summit the slope steepens to an angle of 20° to 30°, and the rock becomes harder and more slaggy.
Source: wiktionary
1949, Council of Scientific and Industrial Research (N.Z.), New Zealand Journal of Science and Technology: General Research Section, Volume 31, unidentified page, In the more slaggy parts of the sheet pale yellowish natural porcelain is found both fused to blocks of basalt and as large lumps in the filling.
Source: wiktionary
1983, John P. Lehman, North Atlantic Treaty Organization Committee on the Challenges of Modern Society, Hazardous Waste Disposal, page 183, Because of the generally higher process temperature (~l.000°C versus ~800 °C ) and the more homogeneous nature of the input, the residues appear to be more slaggy or sintered.
Source: wiktionary
Showing 4 of 6 available sentences.
Closest matches include scags.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.