Meaning

• A shipwrecked sailor.

  "Robinson Crusoe was a famous fictional castaway."

• A discarded person or thing.

  "This old coat was a castaway in someone's trash."

• An outcast; someone cast out of a group or society.

  "These homeless people are society's castaways."

Meaning

• Cast adrift or ashore; marooned.

  "After the mutiny, the castaway ship's officers suffered a month at sea in the lifeboat."

• Shipwrecked.

  "The storm left them castaway on an uninhabited island."

• Cast out; rejected or excluded from a group.