Thesaurus.com
Dictionary.com
Showing results for obsidian. Search instead for obsidia.
Definitions

obsidian

[uhb-sid-ee-uhn] / əbˈsɪd i ən /






NOUN
lava
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Elordi strides naturally through the film’s burning-of-Atlanta orange sunscapes and its grasslands stabbed by obsidian spikes of rock.

From Los Angeles Times • Feb. 11, 2026

At 20F they might as well be carved obsidian.

From The Wall Street Journal • Dec. 18, 2025

The shards, or clasts, have a glassy luster, making them look a lot like obsidian, a glass formed from lava when it cools very quickly.

From Salon • Mar. 4, 2025

One gem is thought to be a rare, 2nd Century head of the Greek hero Hercules made from obsidian, a type of volcanic glass.

From BBC • May 27, 2024

One of the floating obsidian hoverboards waited, bobbing up and down above a rail.

From "Tristan Strong Punches a Hole in the Sky" by Kwame Mbalia