Check-in: Definition, Examples, and Common Usage

Meaning 1：arrival registration (Check-in)

Check-in 🔊

/ˈtʃekˌɪn/

The process of registering your arrival at a place like an airport or a hotel.

Check-in at airport counter with passport and staff

arrival registration 🔊

➕

/əˈraɪvəl ˌredʒɪˈstreɪʃən/

The act of reporting one's presence at a facility such as an airport, hotel, or conference, typically by providing identification and confirming a reservation.

📁 Category：Transportation & Travel 🔖 Level：Beginner

📘 Details & Usage

📖 Root Explanation

check (to verify) + in (inside), combined to form a noun meaning the act of registering arrival.

💡 Mnemonic

Think of a checklist at the airport: you 'check' your ticket and go 'in' to the terminal.

📖 Example

We arrived at the hotel and went straight to the front desk for check-in. 🔊 We arrived at the hotel and went straight to the front desk for check-in.

🔗 Collocations

online check-in – registering arrival via the internet before physical presence

check-in counter – the designated desk or area where check-in is performed

check-in time – the scheduled or allowed period for completing check-in

🔄 Synonyms

registration (n.) – The process of recording one's name or details for official purposes, similar to check-in.

sign-in (n.) – The act of writing one's name to indicate arrival or presence.

boarding (n.) – The process of entering an airplane, ship, or train after completing check-in.

🚫 Antonyms

check-out (n.) – The procedure of leaving a hotel or returning rented items, opposite of check-in.

departure (n.) – The act of leaving a place, contrasted with arrival check-in.

🌱 Derivatives

check in (phr.v.) – to register arrival at a place

check-in desk (n.) – a desk used for check-in procedures

check-in time (n.) – the scheduled time for check-in

📖 Cultural Story

The term originated in the late 19th century with railway travel, where passengers would 'check in' their luggage and themselves. Later adopted by airlines and hotels.