Meaning of “let” - Learner’s Dictionary


verb [ T ] us uk /let/ present participle letting, past tense and past participle let

B1 to allow someone to do something, or to allow something to happen:

Let them play outside.
Don't let the camera get wet.
It's best to let nature take its course.
We let a whole year go by before we tried again.

More examples

let sb/sth in/past/through, etc

B2 to allow someone or something to move to a particular place:

They won't let us past the gate.
I won't let him near my children.
The roof lets in a lot of rain.

A2 something that you say when you are making a suggestion:

Let's eat out tonight.
Let's not bother with the washing-up.
let me/us

something that you say when you are offering to help someone:

Let me carry your cases.

If you let a building or part of a building, you allow someone to live there and they give you money:

I let the top floor of my house to a student.
Let's see/Let me see

something that you say when you are trying to remember something or calculate something:

Let's see - there are five people and only three beds.
It must have been - let me see - three years ago.
Let's say

something that you say when you are suggesting a possible situation or action:

Let's say you manage to sell half the books.
Let's say we'll meet back here in an hour.
let sb know (sth)

A2 to tell someone something:

[ + question word ] I'll let you know when we've fixed a date for the meeting.
let (sth) go

to stop holding something:

I let go of the rope.
You have to let the handle go.
let yourself go

to allow yourself to become less attractive or healthy:

It's easy to let yourself go when you're pregnant.

to relax completely and enjoy yourself:

It's a party - let yourself go!
let's face it

something that you say when the truth is unpleasant but must be accepted:

Let's face it, we're not getting any younger.

(Definition of “let” from the Cambridge Learner’s Dictionary © Cambridge University Press)