Standard Lemma guide

slaggy

adj · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈslæɡi/
  • Australia: Recorded audio is listed in the source snapshot.
  • rhymes with -æɡi

1

adj

Meaning 1

Resembling or containing slag.

Definition source: English Wiktionary via Wiktextract

Examples

  • 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.
  • 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.
  • 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.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Resembling or characteristic of a slag; slutty, promiscuous.

Definition source: English Wiktionary via Wiktextract

Usage: Australia, Ireland, New-Zealand, UK, derogatory

Examples

  • 2005, Maria Beaumont, MissFit, Arrow Books, UK, page 175, This evening I′ve been the cheapest, slaggiest slag ever.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From slag + -y.