| girasole | |
| granite(heather, charcoal, starless) | |
| gray(heather, charcoal, starless) | |
| grey(heather, charcoal, starless) | |
| grim | |
| grisly | |
| heather(charcoal, starless) | |
| hemadiamond | |
| lapis | |
| lapis lazuli(expression, idiom, jewelry) | |
| lazuli | |
| oriental | |
| oriental topaz(expression, idiom, jewelry) | |
| ornamental quartz | |
| oyster(heather, charcoal, starless) | |
| peridot | |
| pitch dark(expression, adjective, dark, pitch, inky) | |
| plasm | |
| rock | |
| sardine |
For more, visit
Onyx on
Power Thesaurus
| APA | Smart Define. (2015). onyx thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/onyx/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "onyx thesaurus" https://smartdefine.org/onyx/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, onyx thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/onyx/thesaurus/synonyms>. |
| MLA | Smart Define. "onyx thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/onyx/thesaurus/synonyms> |