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English definition of “let”

let

verb [T]  /let/ us  

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 hair grow long. She opened the door and let me in (= allowed me to enter). After questioning him for six hours, the police finally 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 particular condition, or to cause someone to understand something: He let the pool empty. 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 gift shop, let us proceed into Graceland itself.
(Definition of let from the Cambridge Academic Content Dictionary © Cambridge University Press)
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