Obsidian and Optimistic

Opposite meaning words

Obsidian noun - Acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces.

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Optimistic is an antonym for obsidian in dark topic.

Optimistic adjective - Having qualities which inspire hope.

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Obsidian is an antonym for optimistic.

Cite this Source

Optimistic and Obsidian. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/obsidian/optimistic

Obsidian & Optimistic. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/obsidian/optimistic>.

Optimistic or Obsidian. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/obsidian/optimistic.

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