Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “castaway”


noun [C]     /ˈkɑːstəweɪ/
someone who is left on an island, or in a place where there are few or no other people, after their ship has sunkAloneSeparateness and isolation in space
(Definition of castaway noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “castaway” in other dictionaries

Word of the Day


an ability to do things in the stated, especially positive, way

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More