Synonyms for Obsidian:

• adj.

  •black (adjective)
  • ebon,
  • brunet,
  • slater,
  • jet,
  • pitch-dark,
  • clouded,
  • sombrer,
  • sloe,
  • sooty,
  • ebony,
  • onyx,
  • raven,
  • pitch,
  • swarthy,
  • charcoal,
  • dusky,
  • pitch-black,
  • livid,
  • Atramentous,
  • pitchy,
  • Piceous,
  • swart,
  • sombre,
  • slate,
  • coaler,
  • melanoid,
  • inklike,
  • stygian,
  • pitch dark,
  • starless,
  • dingy,
  • somber,
  • murky,
  • sable,
  • shadowy,
  • coal.
  •jet (adjective)
  • inky,
  • midnight,
  • dark.
  •onyx (adjective)
  • jetty.
  •Other relevant words: (adjective)
  • pitch black,
  • pitch-dark pitchy,
  • coal-black,
  • bituminous,
  • black.

• n.

  •lava (noun)
  • Ashes,
  • slag.
  •mineral (noun)
  • alabaster,
  • kaolinite,
  • magnesite,
  • feldspar,
  • graphite,
  • silicate,
  • Vermiculite,
  • calcite,
  • Brookite,
  • corundum,
  • mica,
  • garnet,
  • quartz,
  • emery,
  • fluorite,
  • lime,
  • fool's gold,
  • orthoclase,
  • cryolite,
  • asbestos,
  • molybdenite,
  • Iolite,
  • peat,
  • sulfur,
  • Chlorite,
  • gypsum,
  • fluorspar,
  • carbon,
  • bauxite,
  • pyroxene,
  • boron,
  • pitchblende,
  • chromite,
  • cobalt,
  • silica,
  • ozocerite,
  • clay,
  • pumice,
  • coke,
  • pyrite,
  • lazurite,
  • chalcedony,
  • talcum,
  • glauconite,
  • Azurite,
  • Selenite,
  • brimstone,
  • diatomite,
  • spar,
  • quicklime,
  • rhodonite,
  • lignite,
  • aragonite,
  • hornblende,
  • salt,
  • manganese,
  • barite.
  •Other relevant words: (noun)
  • mineral,
  • rock,
  • Scoriae,
  • basalt,
  • stone,
  • obsidians,
  • crystal,
  • magmas,
  • volcanic glass,
  • Coulee,
  • scoria,
  • magma,
  • lava,
  • coulees.
  •rock (noun)
  • granite,
  • marble,
  • shale,
  • igneous rock,
  • chalk,
  • limestone,
  • metamorphic rock,
  • sedimentary rock,
  • sandstone.
  •substance (noun)
  • obsidian.

• Other synonyms:

  •Other relevant words (noun):
  • achromatic,
  • blackened,
  • dim,
  • contraband,
  • moss agate,
  • mordant,
  • disastrous,
  • grim,
  • ignominious,
  • fatal,
  • disgraceful,
  • inglorious,
  • bleak,
  • smuggled,
  • fateful,
  • calamitous,
  • asphalt,
  • bootleg,
  • drab,
  • opprobrious.

Antonyms for Obsidian:

• adj.

  • black
    clean, optimistic, hopeful, good, white, happy.

Hyponym for Obsidian:

• n.

  • substance
    volcanic glass.