Atramentous
Onyx and atramentous are semantically related in black topic. In some cases you can use "Onyx" instead an adjective "Atramentous", when it comes to topics like dark.
Onyx
Onyx noun - A chalcedony with alternating black and white bands; used in making cameos.
Show all Definitions
Synonyms for Onyx
Atramentous and onyx are semantically related in black topic. Sometimes you can use "Atramentous" instead an adjective "Onyx".
Mutual synonyms
Cite this Source
Onyx and Atramentous. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/atramentous/onyx
Atramentous & Onyx. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/atramentous/onyx>.
Onyx or Atramentous. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/atramentous/onyx.
Google Ngram Viewer shows how "atramentous" and "onyx" have occurred on timeline