There was a long queue at the airport check-in.

A line of people waiting for something, such as boarding a flight.
I had to stand in a queue for security.
The queue moved slowly as we waited to board.
She joined the queue for her flight.
long queue
waiting queue
boarding queue
line
row
waitlist
We stood in the queue for tickets.

A line of people or vehicles waiting for something.
There was a long queue at the coffee shop.
We joined the queue for the bus.
The queue moved slowly during the concert.
join a queue
wait in a queue
form a queue
line
row
waitlist