How to use
used between two words or phrases to show that either of two things is possible, or used before the last in a list of possibilities or choices
Shall we go out to the cinema or stay at home?
You can have ham, cheese or tuna.
... or anything/something
or something of the same kind
Would you like a coffee or something?
She wasn't involved in drugs
or anything like that
Grapes are usually
He's going to do it
we like it
You must do the job yourself
employ someone else to do it.
used after a negative verb when you mean not one thing and also not another thing
He doesn't have a television or a video.
Sonia never cleans or even offers to wash the dishes.
avoiding bad result
used to say that something bad could happen if someone does not do a particular thing
Wear your coat or you'll catch cold.
Hurry up or we'll be late.
I had to defend myself
he'd have killed me.
You'd better hand over the money,
used to threaten someone
used to correct something that you have said or to give more specific information
It's going to snow tomorrow, or that's what the forecast says.
John picked us up in his car,
his dad's car which he'd borrowed.
We've cleaned it all up,
or at least
most of it.
used to prove that something must be true, by saying that the situation would be different if it was not true
He must be at home, or his car wouldn't be here.
It's obviously not urgent
they would have called us straight away.
used to show that you are guessing at an amount or number because you cannot be exact
The boy was three or four years of age.
I saw Donald leaving a minute or two ago.
There's a motel
a mile or so
down the road
about a mile or possibly a little more
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
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