Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “companion”

companion

noun [C] uk   /kəmˈpæn.jən/ us  

companion noun [C] (PERSON)

B2 a person you spend a lot of time with often because you are friends or because you are travelling together: The dog has been her constant companion these past ten years. a travelling companionFriends, acquaintances and contemporaries in the past, a young woman who was paid to care for and provide friendship for an old or ill woman, especially while she was travellingPeople who help or serve people professionallyHelpers and accomplices

companion noun [C] (OBJECT)

old-fashioned either of two matching objects: I've still got one of the candlesticks but I've lost its companion.Groups of things according to number

companion noun [C] (BOOK)

used in the title of a type of book that gives you information on a particular subject or tells you how to do something: the Music Lover's CompanionKinds of books
(Definition of companion from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of companion?
Add Cambridge dictionaries to your browser to your website

More meanings of “companion”

Definitions of “companion” in other dictionaries

Word of the Day

hoppy

like hops (= dried fruit used to make beer)

Word of the Day

Blog

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