let Definition in the Cambridge English Dictionary
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Definition of “let” - English Dictionary

Definition of "let" - American English Dictionary

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letverb [T]

 us   /let/

let verb [T] (ALLOW)

(present participle -tt-, past tense and past participle let) to ​allow something to ​happen or someone to do something by giving ​permission or by not doing anything to ​stop it from ​happening: Fraya’s ​parents let her go to the ​movie. He ​decided to let his ​hairgrowlong. She ​opened the ​door and let me in (= ​allowed me to ​enter). After questioning him for six ​hours, the ​policefinally let him go (= ​released him).

let verb [T] (CAUSE)

(present participle letting, past tense and past participle let) to ​cause something to ​happen or to be in a ​particularcondition, or to ​cause someone to ​understand something: He let the ​poolempty. Let me ​know if you need ​help. He let out a ​shout (= He ​shouted).

let verb [T] (SUGGEST)

let us fml let us I ​suggest that we: For the ​sake of ​argument, let us ​assume that Rochelle is ​right. After ​visiting the ​giftshop, let us ​proceed into Graceland itself.
(Definition of let from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "let" - British English Dictionary

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letverb

uk   us   /let/ (present participle letting, past tense and past participle let)

let verb (ALLOW)

B1 [T + infinitive without to] to ​allow something to ​happen or someone to do something by not doing anything to ​stop an ​action or by giving ​yourpermission: She ​wanted to go but her ​parents wouldn't let her. He ​decided to let his ​hairgrowlong. Let ​yourshoesdrycompletely before putting them on. I'm letting you ​stay up late, just this ​once. Don't let it ​worry you. If he ​needsmoney, let him (= he should)earn it! [T + obj + infinitive without to , not in past tenses] used to show that you ​accept what is going to ​happen, ​although you do not like it: Let it ​rain - it won't ​spoilourafternoon. [T + obj + infinitive without to , not in past tenses] used to say that you ​wish something to ​happen very much: Oh, ​please let him get the ​job!
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let verb (SUGGEST)

let's (also formal let us)
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A2 used to ​express a ​suggestion or ​request that ​includes you and the other ​person or ​people: Let's go out to ​dinner. Let us ​consider all the ​possibilities. Let's not (UK also don't let's) ​argue.

let verb (RENT)

[T] mainly UK (US usually rent) to ​allowyourhouse or ​land to be ​lived in or used by someone ​else in ​exchange for a ​regularpayment: They are letting ​theirhouse (out) for the ​summer. He's let his ​flat to a ​youngcouple. She has a ​room to let in her ​house.

letadverb

uk   us   /let/
let alone C1 used after a ​negativestatement to ​emphasize how ​unlikely a ​situation is because something much more ​likely has never ​happened: Some ​people never ​evenread a ​newspaper, let ​alone a ​book.

letnoun

uk   us   /let/

let noun (SPORT)

sports [C] (in ​tennis or ​similargames) a ​situation in which the ​balltouches the ​net as it ​crosses it, so that you have to ​play the ​point again

let noun (LAW)

without let or hindrance specialized without being ​prevented from doing something: People will be ​able to ​travel from ​country to ​country without let or ​hindrance.

let noun (RENT)

[C] UK the ​act of ​allowing someone to use ​yourhouse, ​land, etc. in ​exchange for ​regularpayments: a five-year let on a ​flat

-letsuffix

uk   us   /-lət/
(Definition of let from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "let" - Business English Dictionary

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letverb [T]

uk   us   /let/ (letting, let, let)
to ​allow something to ​happen, or to ​allow someone to do something, by giving your ​permission or by not doing anything to ​stop an ​action: We do not let our ​staff use ​socialnetworkingsites at ​work. They had let the ​officeaccommodation become ​rundown and shabby.
UK (US rent) to ​allow your ​house or ​land to be lived in or used by someone else in ​exchange for a ​regularpayment: let sth (out) to sb They are letting their ​house out for the summer. He's let his ​flat to a young couple. The Technology Park has ​officeaccommodation and ​businessunits to let.let on sth The ​property is let on a 10-year ​lease. The ​holidayapartments are let on a ​weeklybasis.
let sb go informal HR to make someone ​leave their ​job: Sales are down considerably and we've had to let some ​staff go. I've only been let go twice in my ​career.

letnoun [C]

uk   us   /let/ UK
the ​act of ​allowing someone to use your ​house, ​land, etc. in ​exchange for ​regularpayments: let on sth a five-year let on a ​flat short-term/long-term let We've taken the ​studios on a ​short-term let.
without let or hindrance LAW without being prevented from doing something: People will be able to ​travel from country to country without let or hindrance.
(Definition of let from the Cambridge Business English Dictionary © Cambridge University Press)
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“let” in Business English

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