check-in

1 of 2

noun

ˈchek-ˌin 

: an act or instance of checking in

check in

2 of 2

verb

checked in; checking in; checks in

intransitive verb

1

: to register at a hotel

When you arrive at the hotel, please check in at the front desk.

Once we've checked in and dropped off our luggage, we'll meet you in the lobby.

A regular at MGM Resorts properties, she uses her phone to pull up the M Life smartphone app, where she can check in remotely.

—Bryan Horwath

2

: to report one's presence or arrival

check in at a convention

Airlines may also require passengers to submit documentation for their service animals at least 48 hours in advance of the date of travel. But those passengers will now be allowed to check in online instead of in person.

—Chicago Tribune

3

US : to find out or report the status of someone or something especially as part of a regular pattern of communication or monitoring

She checks in with her boss/team every Friday.

I'm just checking in to find out how your doctor's appointment went.

Asking for feedback can definitely be scary, but it's good to check in and get some constructive criticism on how you're doing.

—Nancy Valev

—often followed by on or with

I'm just checking in with you to find out how your doctor's appointment went.

All parents should have a system where they check in with their kids frequently.

—James Lehman

He will be required to check in with a probation officer every week at the outset, and undergo drug and alcohol testing and complete psychological counseling.

—Cory Schaffer

During the early afternoon, Mrs. Ruane … checked in on the patient who had returned from her procedure.

—Pohla Smith

"… Millions of Americans use social media every day to check in on friends and family, learn about current events, and share their experiences online. … "

—Shayne Adamski

"… But, Shirley, thank you so much. I'll check in with you again as the story unfolds, OK?"

—Drew Pinsky

We access our work email on our phones, catch up on messages during our commutes and even when we're out at lunch, check in on work before bed—some of us feel like we have to just to be good employees.

—Alan Henry

… suggests … setting up Remote Desktop so that you can check in on the systems from afar …

—Andrew Cunningham

transitive verb

: to satisfy all requirements in returning

check in the equipment after using

Examples of check-in in a Sentence

Recent Examples on the Web

Noun

Regular check-ins like biweekly one-on-ones can help IT staff stay informed. —Boyd Clewis, Forbes, 26 Dec. 2024

People check-in for their flights at the airport ahead of the Thanksgiving Holiday at Hartsfield-Jackson Atlanta International Airport, in Atlanta, Georgia, U.S., November 27, 2024. —Leslie Josephs, CNBC, 26 Dec. 2024

Bench coach Rodney Linares lives near Caminero in the Dominican Republic and makes weekly check-ins. —Marc Topkin, Orlando Sentinel, 25 Dec. 2024

That signal will only be a check-in about its general health—researchers will have to wait until the new year for Parker to transmit back its first data on this latest exploit. —Shi En Kim, Smithsonian Magazine, 23 Dec. 2024

Word History

First Known Use

Noun

1927, in the meaning defined above

Verb

1918, in the meaning defined at intransitive sense 1

Kids Definition

check-in

1 of 2 noun

ˈchek-ˈin

: an act or instance of checking in

check in

2 of 2 verb

1

: to register at a hotel or motel

2

: to report one's presence or arrival

3

: to bring back : return

checked in the equipment