‘Checkin' or 'Check In' or 'Check-In': What's the Difference?

By Shanea Patterson, updated on February 1, 2023

Is it ‘checkin’ or ‘check-in’? And what’s the difference between these two words? We’ll go over that in more detail below, plus teach you how to use the correct one in a sentence.

In short, the difference between these words is:

  • ‘Checkin’ is incorrect, and this spelling should not be used.
  • ‘Check-in’ is used when you’re describing a location for an action.

An alternate spelling of the word is ‘check in,’ and that’s used as an action verb. It describes the act of checking in.

‘Check in’ or ‘Check-in’ – Which Version is Correct?

Now that we know ‘checkin’ isn’t a real word let’s look at ‘check in’ and ‘check-in.’

They sound the same but mean slightly different things, making them homophones.

‘Check in’ is used as a verb to refer to the act of checking in. It means ‘to register upon arrival.’ You might use this phrase when talking about checking into a hotel or to an appointment at the doctor’s office.

Sometimes, people also ‘check in’ on social media, meaning they let everyone know where they are in the world. Usually, it’s a restaurant or some kind of entertainment venue.

‘Check-in’ is used as a noun or adjective, and it refers to the act of registering upon arrival. As an adjective, it describes the object that’s being used for the purpose of registering.

‘Checkin,’ ‘Check in,’ or ‘Check-In’?

You already know that ‘checkin’ isn’t a recognized word in the English language.

And you learned that ‘check in’ means register upon arrival.

‘Check-in’ refers to the act of registering upon arrival when used as a noun. As an adjective, it describes the object that’s being used for the purpose of registering.

Definition and Meaning of ‘Check-in’

The Merriam-Webster definition of the word is the act of checking in. It also means to register at a hotel, to report your presence or arrival, or find out the report or status of someone or something.

However, it could also mean meeting all the requirements when you return something.

A Brief History

The first known use of the verb version of the word was in 1918. The first known use of the noun was in 1927.

Pronunciation: How to Pronounce ‘Check-in’

Wondering how to pronounce the word? Here’s a short guide.

  • To pronounce ‘check-in’ correctly here’s the phonetic spelling: chEk in

How to Use ‘Check-in’ in a Sentence

Now that you know what the word means and how to pronounce it let’s see some examples of how to use it in a sentence.

  • The hotel said that check-in is from 3 pm to 11 pm, so we have some time to do some shopping first. It’s up to
  • The receptionist gave my daughter a lollipop at check-in at the doctor’s office.
  • Most hotels have strict rules when it comes to check-in times.
  • They ask that you arrive at least 15 minutes prior to check-in.

To use the non-hyphenated version of the word, here are some examples.

  • As soon as we get to the hotel, I’m going to check in and go straight to the beach.
  • I wonder if I should check in now or wait until my fiancé gets here.
  • My mom makes sure to check in with me every week without fail.
  • You could have checked in without me. I wasn’t too far behind you.

Concluding Thoughts on ‘Checkin’ and ‘Check-in’

To recap, the difference between these words is:

  • ‘Checkin’ is not a recognized word in the English language and should not be used in your writing.
  • ‘Check-in’ refers to the act of registering upon arrival when used as a noun. As an adjective, it describes the object that’s being used for the purpose of registering.

An alternate spelling of the word is ‘check in,’ and that’s used as an action verb. It describes the act of checking in.

If you ever get stuck on meaning or usage, you can always come back to refresh your memory. We’ve got a whole library of content dedicated to explaining confusing words and phrases people commonly have trouble with in the English language. Go check it out anytime.

We encourage you to share this article on Twitter and Facebook. Just click those two links - you'll see why.

It's important to share the news to spread the truth. Most people won't.

Written By:
Shanea Patterson
Shanea Patterson is a writer based in New York and loves writing for brands big and small. She has a master's degree in professional writing from New York University and a bachelor's degree in English from Mercy College.

Add new comment

Your email address will not be published. Required fields are marked *

WritingTips.org Newsletter
Receive information on
new articles posted, important topics, and tips.
Join Now
We won't send you spam. Unsubscribe at any time.
magnifier