Dictionary

cross the Styx en · VERB

Etymology

From Greek mythology, after Styx, a river that forms the boundary between Earth and the Underworld, over which the ferryman Charon transports the souls of the newly dead. See Styx on Wikipedia.Wikipedia

Meanings

1. (humorous, intransitive, literary) To die.
   • The following day Nigel apologized for what he described as an unhappy domestic interlude. “Marietta tells me that you are going to come over every day until . . . I cross the Styx.” I heard him chuckle. “Jolly nice of you, old boy.” 2009, Peter Wright, Triumphs and Tragedies: Twenty-five Aspects of the Life of a Liverpool Sailor, Bloomington, IN: iUniverse, →ISBN, page 172:
   • We know what’s sprouting, but Mantel’s trilogy lets us imagine that it might all have been different. Did Anne Boleyn’s neck have to meet the sword of an executioner brought from Calais to do her in? Did Thomas Cromwell have to cross the Styx himself four years later? 2020 March 28, Catherine Holmes, “Review: Mantel’s trilogy finale gives us the end of Cromwell’s action-packed life”, in The Post and Courier:

Forms

Synonyms

pass on · shuffle off this mortal coil · pay the debt of nature · darken · hand in one's checks · expire · forfare · pass the river · be with the Lord · be like the the One · be no more · assume room temperature · pass in one's checks · snuff it · liquidate · pass over · slip away · go the way of the dodo · keel over · knock off · kick off · exit · cash in · go the way of the dodo bird · give up the ghost · flatline · conk out · go the way of the dinosaurs · disincarnate · pop one's clogs · fall off the twig · lose the number of one's mess · cark it · go over to the majority · cross the Great Divide · perish · yield up the ghost · peg out · draw one's last breath · be gathered to one's fathers · go for a burton · drop off the hooks · bite the big one · close one's eyes for the last time · croak · pass away · take a dirt nap · decease · pop off · hand in one's dinner pail · join the choir invisible · push up daisies · be with Jesus · go to one's reward · hop the twig · buy it · check out · kick the bucket · cross over · pay nature's debt · cross the Styx · cash in one's chips · sleep with one's fathers · pass · sink · depart · go west · go to glory · code · bite the biscuit · decompose · auger in · go out · give one's all · meet one's doom · meet one's end · dematerialize · turn up one's toes · meet one's maker · buy the farm · be called home · succumb · go the way of all flesh · pass in one's marble · bite the dust

wikipedia: Greek mythology