let down

phrasal verb·3 senses·particle down

Meanings

1

Disappoint someone by failing to keep a promise

Why “down”? A structure, a system, or someone's mood can go down when it fails.

Don't let me down again.
Don't disappoint me again.
The team let the fans down.
The team disappointed the fans.
I'm sorry I let you down.
I'm sorry I disappointed you and failed to meet your expectations.
2

Lower something carefully

Why “down”? Movement goes from high to low.

Let the rope down slowly.
Lower the rope slowly.
They let the bucket down into the well.
They lowered the bucket into the well.
3

Deflate a tyre or balloon by releasing air

Why “down”? When there is less of something, it goes down. Prices, sound, heat and speed all work this way.

Vandals let the tyres down.
Vandals released the air from the tyres.
Let the air mattress down before packing it.
Release the air from the mattress before you pack it.

Don't confuse with

let downlet up

Let down means disappoint someone by failing to keep a promise. Let up means become less intense or stop.

Test yourself

Don't let me down again. What does it mean?

Nearby in the meaning map

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