Out or out of?

We use out and out of to talk about position and direction.

We use out as an adverb to mean ‘not in a building or an enclosed space’:

[the speaker is outside talking to someone inside]

Don’t come out. It’s too cold.

[a phone call]

A:
Is Billy there?

B:
No he’sout. (not at home)

Why’s the cake out? Put it back in the fridge or the chocolate will melt.

We use out of as a preposition to talk about movement from within somewhere or something, usually with a verb that expresses movement (e.g. go, come). It shows where something is or was going:

You go out of the building and turn right.

He pulled a letter out of his shirt pocket, opened it and handed it to her to read.

When I reached the corner, I jumped out of my car and ran across the road.

Out is the opposite of in. Out of is the opposite of into:

We use out as a verb particle in phrasal verbs:

Look out there’s a car coming.

I thought I’d phone and find out how you are.

Out of: all gone

We use out of to say that something is all gone:

The printer is out of ink. We need to get some soon.

[at a restaurant]

I’m afraid, we’re out of soup.

You will find other meanings of out in a good learner’s dictionary.

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