Meaning of “off” - Learner’s Dictionary

off

adverb, preposition uk us /ɒf/
NOT TOUCHING

A2 not touching or connected to something or not on a surface:

Keep off the grass!
A button came off my coat.
AWAY

B1 away from a place or position:

He ran off to find his friend.
I'll be off (= will go) soon.
NOT OPERATING

A2 not operating or being used:

Make sure you switch your computer off.
NEAR

B2 near to a building or place:

an island off the coast of Spain
PRICE

B1 If a price has a certain amount of money off, it costs that much less than the usual price:

These jeans were $10 off.
DISTANCE/TIME

far in distance or time:

You can see the village off in the distance.
My holidays seem a long way off.
go off sth/sb UK

B2 to stop liking something or someone:

I've gone off meat.
NOT AT WORK

A2 not at work:

I had 6 months off when my son was born.
→ See also off the cuff , on and off

(Definition of “off adverb, preposition” from the Cambridge Learner’s Dictionary © Cambridge University Press)