1. The principal river of the lower world, which was to be crossed in passing to the regions of the dead, and by the waters of which the gods pledged their word.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• styke,
• styes,
• stylz,
• stix,
• styl,
• stya,
• styas,
• sytax,
• stixs,
• stcw,
• stys,
• smex,
• srex,
• styxx,
• slxx,
• tyx,
• syl,
• styh,
• stox,
• styb

• Stacy,
• stays,
• stocky,
• sticky,
• Stacey,
• stogey,
• stagey,
• stucky,
• Stokey,
• Stogy,
• stagy,
• stag.

The adjective form of the word "Styx" is "Stygian".

The plural form of the word "styx" is "styxes".

The singular form of the word "styx" is "styx".