Synonyms for Six-sided:

• adj.

  •all (adjective)
  • six-sided.

• Other synonyms:

  •Other relevant words:
  • square,
  • rectangular,
  • quadrangular,
  • quadrilateral,
  • many-sided,
  • multilateral,
  • boxy,
  • four-sided,
  • right-angled,
  • equilateral,
  • Cubed.