in2 S1 W1
into or inside a container, place, vehicle etc [≠ out]:
Eric held the boat steady while the children got in.
He went to the ticket machine and put a coin in.
She dived in and swam out to the yacht.
inside or into a building, especially your home or the place where you work [≠ out]:
Come in and sit down.
I'm afraid Mr Stewart won't be in until tomorrow morning.
We're staying in this evening.
if a train, boat, or plane is in, it has arrived at a station, airport etc:
Our train's not in yet.
When's her flight due in?
given or sent to a person or organization to be dealt with by them:
All entries must be in by next week.
Letters have been pouring in from all over the country.
Have you handed your essay in yet?
if you write, paint, or draw something in, you add it in the correct place:
Fill in your name and address on the form provided.
The information is typed in by trained keyboarders.
if a player or team is in during a game of cricket (2), they are batting
if a ball is in during a game, it is inside the area where the game is being played [≠ out]:
Agassi's second serve was just in.
if a politician or a political party is in, they have been elected:
Labour recorded its highest vote ever, but the Tories got in again.
towards the centre [= inward(s)]:
The map had started to curl in at the edges.
when the tide is in, the sea by the shore is at its highest level [≠ out]:
The tide was in, and the sea lapped against the harbour wall.
if someone is in for something unpleasant, it is going to happen to them:
I'm afraid he's in for a bit of a disappointment.
if someone is in for it, they are going to be punished:
If they find out what I've done, I'll be in for it, won't I?
to be or become involved in something that is happening:
I think you ought to be in on this discussion, Ted.
to have a friendly relationship with someone:
She's in with the theatrical crowd.
You have to be well in with the directors (=be very friendly with them) if you want to get promotion here.
to be present or involved when something starts