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
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We need to check in at least two hours before our flight.
We need to check in at least two hours before our flight.
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You can check in online to save some time at the airport.
You can check in online to save some time at the airport.
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What time can we check in to our hotel room?
What time can we check in to our hotel room?
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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.
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She checked in her luggage and headed straight to security.
She checked in her luggage and headed straight to security.
Common Mistakes
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✗ 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'.
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✗ 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
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Please remember to ___ online before you arrive at the airport.
💡 Register your arrival.
Show answer
check in
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We can't ___ to our room until 3:00 PM.
💡 Enter the hotel formally.
Show answer
check in