The principal river of the lower world, which had to be crossed in passing to the regions of the dead.

A river in Hades. The word literally means "hateful" or "cold". The water was said to dissolve any vessel not made from a horse's hoof. Achilles was said to have been dipped into the river by his mother, Thetis, making him invulnerable.

(Greek mythology) a river in Hades across which Charon carried dead souls

was the eldest of the Okeanides and the goddess of the chief river of Hades. Styx' name is derived from the verb stygeo (=to hate, to abhor).

A river that must be crossed via boat in Greek mythology to the world of the dead.

In Greek mythology, Styx (Στυξ) is a river which formed the boundary between Earth and the Underworld, Hades. It circles Hades nine times. The rivers Styx, Phlegethon, Acheron and Cocytus all converge at the center of Hades on a great marsh.