Synonyms of onyx
- 1 Syllable
- black, jet, pitch, swart, sloe, coal
- 2 Syllables
- swarthy, sooty, ebon, blackest, slater, murky, slate, charcoal, raven, brunet, clouded, jetty, piceous, pitch-dark, starless, inky, pitch-black, dusky, stygian, blacker, sombre, sable, livid, pitchy, dingy, somber
- 3 Syllables
- ebony, inklike, melanoid, shadowy, obsidian, coaler
- 4 Syllables
- atramentous