let off

verb

let off; letting off; lets off

1

: to allow (someone) to get off a bus, an airplane, etc.

Could you let me off (the bus) at the next stop, please?

The bus stopped to let off a few passengers.

2

: to allow (someone who has been caught doing something wrong or illegal) to go without being punished

The police officer let her off with just a warning.

They let him off easy/easily/lightly, if you ask me.

3

: to cause (something) to explode or to be released in a forceful way

let off a firecracker

opened the valve to let off pressure