“Cast away” has more than one current use, so grammar matters. The passive expression “be cast away” describes being stranded after a shipwreck; the transitive phrasal verb “cast something away” can mean discard or get rid of it. The one-word noun “castaway” names a stranded person.
ReviewedEvidence2 sourcesSectionPhrases & Idioms
Quick answer
“Be cast away” can mean to be stranded in a remote place after a shipwreck, while “cast something away” is a formal phrasal verb meaning to get rid of or discard it. “Castaway” is also a noun for a stranded person.
Key details
Canonical Formcast away
Core Meaningeither be stranded after a shipwreck or, in a formal phrasal-verb use, discard someone or something
Registergeneral; the discard sense is formal
Further guidance
Contextual Examples
The sailors were cast away on a remote island after the wreck.
She decided to cast away the assumptions that had shaped the first draft.
Form Boundary
“Castaway” is a noun for a person stranded after a shipwreck; “cast away” is a two-word verb expression.
History Boundary
This guide does not claim a single inventor, exact origin date, or first printed use because the reviewed evidence for this publication decision supports current meaning and usage rather than a verified origin chronology.
Meaning
either be stranded after a shipwreck or, in a formal phrasal-verb use, discard someone or something
Meaning Boundary
Do not merge “cast away” with the one-word noun “castaway.” Also do not assume every occurrence refers to a desert island; the discard sense is separate.
Practical Use
Check the grammar around “cast away”: “be cast away” points to the stranded sense, while “cast something away” points to discarding.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
CAST SOMEONE/SOMETHING ASIDE/AWAY/OFF↗ (opens in a new tab)Cambridge University Press · Supports the formal phrasal-verb sense of cast away meaning get rid of someone or something; later copy must separate this from be cast away and castaway.
The saying links progress with effort or hardship. It is often motivational, but the word “pain” is figurative in many uses and the proverb should not be treated as medical, exercise-safety, or injury advice.
“A blessing in disguise” describes something that initially seems bad or unlucky but later produces a good result. Specialist history places the printed phrase in the mid-eighteenth century, while earlier texts may express similar ideas without proving the same idiom.
“A tough nut to crack” describes something difficult to solve or someone difficult to understand. Cambridge records both “hard” and “tough” in the idiom. This guide publishes the current meaning without asserting an exact historical first use.
“Add fuel to the fire” means to make an already difficult, angry, or contentious situation worse. The metaphor is transparent, but the historical record reviewed here supports only broad seventeenth-century chronology rather than an exact first use.
“Add insult to injury” means making an already bad situation worse by adding another upsetting or disadvantageous act. This guide records the modern dictionary meaning only and leaves exact origin chronology unclaimed.
“Against all odds” emphasizes success despite obstacles or an unfavorable likelihood. Cambridge also records “against (all) the odds,” so the guide treats those forms as part of the same current idiom rather than inventing separate origin claims.
“In the same boat” means being in the same difficult or unpleasant situation as other people. “We’re all in the same boat” is a common sentence-level form that emphasizes the shared nature of the problem. This guide does not attach an unsupported origin story.
“As cool as a cucumber” describes striking calmness or composure. The guide stays with the documented modern meaning and does not invent an exact inventor or first-use story.
