let off

US /lɛt ɔf/
UK /lɛt ɔf/
"let off" picture
1.

to not punish someone who has committed a crime or done something wrong, or to punish them less severely than you could

:
•
The judge decided to let him off with a warning.
•
She was caught shoplifting, but the store manager let her off.
:
forgiveexcuseacquitpardonrelease
2.

to make a bomb, firework, or gun fire or explode

:
•
They decided to let off fireworks at midnight.
•
The gun accidentally let off a shot.
:
detonatedischargefireexplode
3.

to allow gas, air, or steam to escape from something

:
•
He let off some steam by shouting.
•
The valve lets off excess pressure.
:
releaseventdischargeemit
:
letlet inlet onlet'slet in onoffoff and on