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let on
let out
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let’s
let through
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letch
Letchworth
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lethal
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let (1)

let [ let ] (past and past participle let, present participle let·ting, 3rd person present singular lets)


transitive verb 
Definition:
 
1. not prevent something: to allow something to happen or somebody to do something
You should let him explain what happened.
I won't let anything get in the way of us living a happy life together.
I never let myself worry about the future.

2. give somebody permission: to give somebody permission to do something
I want to go to the disco but Dad won't let me.

3. expressing suggestion: used to express a suggestion, an offer, or an order
Let's eat - I'm starving.
Let me take that bag for you - you must be exhausted.
Let the show go on!

4. make something pass somewhere: to allow or cause something to pass from one place to another
You need to let some air out of those tires.
Open the window and let some fresh air in.

5. expressing resignation: used to indicate indifference to what happens or what somebody does, even though it may be unpleasant
Let them do their worst.
If he wants to leave then let him - see if I care!

6. environment release water from pond: to release or cause something to release water from a lagoon or pond by breaching a sandbar or other obstacle so that the water drains into a larger body such as the sea

7. rent out property: to allow people to use land, rooms, or a building in return for rent

8. Ireland say something: to utter something ( informal )

9. mathematics logic make mathematical assumption: used to introduce an assumption or hypothesis
Let the point P be on a line L.

[ Old English lǣtan "leave behind, allow" < Indo-European, "let go"]

let alone used to introduce something that is even less likely or probable than what has just been mentioned

let go (of something) to stop holding something

let somebody have it to deliver a physical or verbal attack on somebody

let somebody or something be to stop bothering or interfering with somebody or something

let somebody know to inform somebody
We'll let you know as soon as we get the results.


let yourself go 

1. 
to start acting in a much more relaxed or less inhibited way than usual
 

2. 
to stop caring about your appearance



Word Usage

See leave1.

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