check in

What does "check in" mean?

1. To register at a hotel, airport, or event
2. To report your arrival somewhere
3. To contact someone to update them on your status

Examples

• You can check in at the hotel from 3 PM.
• Please check in at the front desk when you arrive.
• We need to check in for our flight two hours early.
• I'll check in with you later to see how the project is going.
• She checks in with her parents every week.

How to use it

'Check-in' (noun) refers to the process or location of registering. Common at airports, hotels, and events. 'Online check-in' is now standard for flights.

Word order

For registering: intransitive or 'check in' + baggage. For contacting: 'check in with' someone.

Similar expressions

Opposites

Related phrasal verbs

• check out

  To pay and leave a hotel

• check up

  To examine or verify someone's work or progress

• check on

  To verify that someone is safe or okay

• get in

  To enter a place, building, or vehicle

• turn in

  To go to bed (informal)

• give in

  To finally agree to something after refusing or resisting