Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “carrier”

carrier

noun [C] (SPREAD)    /ˈkær.i.ər/ US  /ˈker.i.ɚ/
someone who does not suffer from a disease but has the infection or genetic fault that causes it and can give the disease to someone else: There are an estimated 1.5 million HIV carriers in the country.Passing on illness and causing disease
(Definition of carrier noun (SPREAD) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of carrier

Definitions of “carrier” in other dictionaries

Word of the Day

handout

a document given to students or reporters which contains information about a particular subject

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