Foreboding
Foreboding adjective - Being or showing a sign of evil or calamity to come.
Obsidian and foreboding are semantically related. In some cases you can use "Obsidian" instead an adjective "Foreboding".
Nearby Word: foreboded
Obsidian
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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Synonyms for Obsidian
Foreboding and obsidian are semantically related. Sometimes you can use "Foreboding" instead an adjective "Obsidian".
Both words in one sentence
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While the first mission features relatively-unspoiled yet foreboding obsidian architecture, by the time of your second excursion these structures are saturated with bulbous, toothy, eye-covered growths; products of the Heart's exponential, otherworldly growth.
Source: Meat Moss
Cite this Source
Obsidian and Foreboding. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/foreboding/obsidian
Foreboding & Obsidian. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/foreboding/obsidian>.
Obsidian or Foreboding. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/foreboding/obsidian.
Google Ngram Viewer shows how "foreboding" and "obsidian" have occurred on timeline