Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “on”


preposition (TO)    /ɒn/ US  /ɑːn/
A2 to or towards: Our house is the first on the left after the post office. The attack on the village lasted all night. I wish you wouldn't creep up on me like that!Describing movement towards Grammar:On, ontoOn and onto are prepositions.See more
(Definition of on preposition (TO) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of on

Browse related topics

You are looking at an entry to do with Describing movement towards, but you might be interested in these topics from the Moving in particular directions topic area:

Definitions of “on” in other dictionaries

Word of the Day


a person or group who receives money, advantages, etc. as a result of something else

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