check into

To give your details when you arrive at a hotel or another place where you will stay.

• We checked into our hotel.
• He checked into hospital for an operation.
• Can we check into the hotel before lunch?

How to use it: check into a hotel/hospital (We checked into the hotel at three.); check someone into a hotel/hospital (She checked her father into the hospital.)

Similar words: check in at, register at

Opposites: check out of

Common phrases: check into something, check into a hotel, check into hospital

To look into a claim or information to find out whether it is true.

• Please check into this report.
• The police checked into his story.
• Have you checked into those strange figures?

How to use it: check into something (The manager will check into your complaint.)

Similar words: investigate, look into

Common phrases: check into something, check into a claim

To tell people online that you have arrived at a particular place.

• I checked into the cafe online.
• She checks into every restaurant she visits.
• Did you check into the museum on your phone?

How to use it: check into a place (You can check into the cafe through the app.)

Similar words: check in

Common phrases: check into somewhere, check into a cafe