Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “off”

off

adverb (NOT OPERATING)    /ɒf/ US  /ɑːf/
A2 (especially of machines, electrical devices, lights, etc.) not operating because of not being switched on: Make sure the computers are all off before you go home. Turn/Switch the light/engine/television off.Not functioning
(Definition of off adverb (NOT OPERATING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of off

Definitions of “off” in other dictionaries

Word of the Day

friendship

a situation in which two people are friends

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