Added 9 October 2026 castaway /ˈkæs.tə.weɪ/ adjective Categories: PeopleRare Words adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about castaway at Wordnik → Where our words come from → 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. noun 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. Origin Deverbal from cast away. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: shipwreckedoutcastforsakenunfortunatepariahrejectedstrandedanchorlessbeachedaground Back to today's word