Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “online”


  /ˌɒnˈlaɪn/ adj, adv
A2 connected to and shared by a system of computers, especially the Internet: online services to go online (= start using the Internet) Most newspapers are now available online.
(Definition of online adjadv from the Cambridge Essential Dictionary © Cambridge University Press)

Definitions of “online” in other dictionaries

Word of the Day

pump iron

to lift heavy weights for exercise

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