Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “contagious”

contagious

adjective    /kənˈteɪ·dʒəs/
(of a disease ) able to be caught by touching someone with the disease or something the person has touched or worn , or (of a person ) having this type of disease : a highly contagious strain of flu fig. Contagious also means moving easily from one person to another: The mood was contagious, and soon everyone was laughing .
(Definition of contagious adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of contagious

Definitions of “contagious” in other dictionaries

Word of the Day

amicable

relating to behaviour between people that is pleasant and friendly, often despite a difficult situation

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