Black onyx Synonyms

Black replaced

Definitions for Black


  • (adjective) having the color of soot or coal
  • (adjective) causing or marked by an atmosphere lacking in cheer
  • (adjective) not conforming to a high moral standard; morally unacceptable

Synonyms for phrase

BO abbreviation

BO is an abbreviation for Black Onyx
What does BO stand for?
BO stands for "Black Onyx"

Onyx replaced

Definitions for Onyx


  • (noun) a chalcedony with alternating black and white bands; used in making cameos