check in

/tʃek ɪn/

Meaning

To register your arrival at a hotel, airport, or clinic. It can be used as a phrasal verb ('check in') or a noun ('check-in'). The tone is neutral and standard in daily life.

Examples

  • We need to check in at least two hours before our flight.

    We need to check in at least two hours before our flight.

  • You can check in online to save some time at the airport.

    You can check in online to save some time at the airport.

  • What time can we check in to our hotel room?

    What time can we check in to our hotel room?

  • I'll check in at the front desk while you park the car.

    I'll check in at the front desk while you park the car.

  • She checked in her luggage and headed straight to security.

    She checked in her luggage and headed straight to security.

Common Mistakes

  • ✗ I checked in the hotel at 3 PM.

    ✓ I checked into the hotel at 3 PM.

    When specifying the location after the verb, use 'into' or 'at' instead of just 'in'.

  • ✗ Where is the check in counter?

    ✓ Where is the check-in counter?

    When used as an adjective modifying a noun, 'check-in' must be hyphenated.

Related Expressions

Practice

  • Please remember to ___ online before you arrive at the airport.

    💡 Register your arrival.

    Show answer

    check in

  • We can't ___ to our room until 3:00 PM.

    💡 Enter the hotel formally.

    Show answer

    check in