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let off

B1 neutral separable transitive
In simple words

To not punish someone when they expected to be punished, or to set off a bomb or gun.

Literal meaning: To release or discharge something.

Meanings

1 B1 idiomatic neutral

To excuse someone from punishment, a duty, or an obligation.

"The judge let him off with a fine instead of sending him to prison."

Grammar: separable
2 B1 neutral

To fire a weapon or detonate an explosive device.

"The children were letting off fireworks in the street."

Grammar: separable
3 A2 neutral

To allow a passenger to get off a vehicle at a stop.

"The bus driver let off a group of schoolchildren at the park."

Grammar: separable
4 B1 idiomatic informal

To release built-up energy, emotion, or pressure (often 'let off steam').

"After the stressful week, she needed to let off some steam at the gym."

Grammar: separable
Usage notes

The sense of excusing from punishment is very common in everyday and legal contexts. The sense of detonating or firing is used for fireworks, guns, and bombs. 'Let off with a warning' is a very common fixed phrase.

Commonly used with

warning firework bomb gun steam punishment

Forms

Base
let off
I/you/we/they
3rd person
lets off
he/she/it
Past simple
let off
yesterday
Past participle
let off
have + pp
-ing form
letting off
continuous

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Synonyms

excuse pardon acquit discharge forgive fire

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