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| let [ let ] (past and past participle let, present participle let·ting, 3rd person present singular lets) |
transitive verb |
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| Definition: |
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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.
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2. give somebody permission: to give somebody permission to do something
 I want to go to the disco but Dad won't let me.
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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!
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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.
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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!
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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
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7. rent out property: to allow people to use land, rooms, or a building in return for rent
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8. Ireland say something: to utter something
(
informal
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9. mathematics logic make mathematical assumption: used to introduce an assumption or hypothesis
 Let the point P be on a line L.
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| [ Old English lǣtan "leave behind, allow" < Indo-European, "let go"] |
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let alone used to introduce something that is even less likely or probable than what has just been mentioned
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let go (of something) to stop holding something
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let somebody have it to deliver a physical or verbal attack on somebody
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let somebody or something be to stop bothering or interfering with somebody or something
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let somebody know to inform somebody
 We'll let you know as soon as we get the results.
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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
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