verb, let, let⋅ting, noun | 1. | to allow or permit: to let him escape. |
| 2. | to allow to pass, go, or come: to let us through. |
| 3. | to grant the occupancy or use of (land, buildings, rooms, space, etc., or movable property) for rent or hire (sometimes fol. by out). |
| 4. | to contract or assign for performance, usually under a contract: to let work to a carpenter. |
| 5. | to cause to; make: to let one know the truth. |
| 6. | (used in the imperative as an auxiliary expressive of a request, command, warning, suggestion, etc.): Let me see. Let us go. Just let them try it! |
| 7. | to admit of being rented or leased: The apartment lets for $100 per week. |
| 8. | British. a lease. |
| 9. | let down,
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| 10. | let in,
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| 11. | let off,
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| 12. | let on,
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| 13. | let out,
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| 14. | let up,
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| 15. | let up on, to treat less severely; be more lenient with: He refused to let up on the boy until his grades improved. |
| 16. | let alone. alone (def. 8). |
| 17. | let be,
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| 18. | let go. go (def. 82). |
| 19. | let someone have it, Informal. to attack or assault, as by striking, shooting, or rebuking: The gunman threatened to let the teller have it if he didn't move fast. |

noun, verb, let⋅ted or let, let⋅ting.| 1. | (in tennis, badminton, etc.) any play that is voided and must be replayed, esp. a service that hits the net and drops into the proper part of the opponent's court. |
| 2. | Chiefly Law. an impediment or obstacle: to act without let or hindrance. |
| 3. | Archaic. to hinder, prevent, or obstruct. |

| a diminutive suffix attached to nouns (booklet; piglet; ringlet), and, by extraction from bracelet, a suffix denoting a band, piece of jewelry, or article of clothing worn on the part of the body specified by the noun (anklet; wristlet). |
let 1 (lět) v. let, let·ting, lets v. tr.
let down
Idiom(s): let aloneNot to mention; much less: "Their ancestors had been dirt poor and never saw royalty, let alone hung around with them" (Garrison Keillor). Idiom(s): let goTo cease to employ; dismiss: had to let 20 workers go. Idiom(s): let off on Informal To cause to diminish, as in pressure; ease up on: Let off on the gas so that we do not exceed the speed limit. Idiom(s): let (one's) hair downTo drop one's reserve or inhibitions. Idiom(s): let (someone) have it Informal
Idiom(s): let (someone) in on
Idiom(s): let up onTo be or become more lenient with: Why don't you let up on the poor child? [Middle English leten, from Old English lǣtan; see lē- in Indo-European roots.] |
let
In addition to the idioms beginning with let, also see blow (let) off steam; give (let) someone have his or her head; (let someone) have it; live and let live. Also see under leave.
| LET linear energy transfer |