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obsidian Synonyms
Another word for obsidian
Choosing another word for obsidian depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• adjective (Context 1)
Resembling volcanic glass in having a lustrous, deep, dark black color.
Usage Example
"The night sky above the desert was a vast, jet-black expanse dotted with bright stars."
Strongest
jet-black
pitch-black
Strong
ebony
in-ky
sable
raven
• noun (Context 2)
A deep, glossy shade of black resembling dark volcanic glass.
Usage Example
"The luxury sedan was finished in a sleek coat of polished ebony."
Strong
ebony
jet
onyx
sable
Opposites of obsidian
The opposite of obsidian shifts depending on context. Common opposites include:
snow-white
alabaster
ivory
chalky
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Obsidian. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/obsidian