to allow or permit

to let him escape.

to allow to pass, go, or come

to let us through.

to grant the occupancy or use of (land, buildings, rooms, space, etc., or movable property) for rent or hire (sometimes fol. by out ).

to contract or assign for performance, usually under a contract

to let work to a carpenter.

to cause to; make

to let one know the truth.

(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!

to admit of being rented or leased

The apartment lets for

British . a lease. ?

let down,

to disappoint; fail.

to betray; desert.

to slacken; abate

We were too near success to let down in our efforts.

to allow to descend slowly; lower.

Aeronautics . (of an airplane) to descend from a higher to a lower altitude preparatory to making an approach and landing or a similar maneuver.

let in,

to admit.

to involve (a person) in without his or her knowledge or permission

to let someone in for a loss.

Also, let into. to insert into the surface of (a wall or the like) as a permanent addition

to let a plaque into a wall.

Also, let in on. to share a secret with; permit to participate in.

let off,

to release by exploding.

to free from duty or responsibility; excuse.

to allow to go with little or no punishment; pardon

The judge let off the youthful offender with a reprimand.

let on,

to reveal one's true feelings

She was terrified at the prospect, but didn't let on.

to pretend

They let on that they didn't care about not being invited, but I could tell that they were hurt.

let out,

to divulge; make known.

to release from confinement, restraint, etc.

to enlarge (a garment).

to terminate; be finished; end

When does the university let out for the summer?

to make (a let-out fur or pelt).

let up,

to slacken; diminish; abate

This heat wave should let up by the end of the week.

to cease; stop

The rain let up for a few hours.

let up on, to treat less severely; be more lenient with

He refused to let up on the boy until his grades improved.

let alone. alone ( def. 8 ) .

let be

to refrain from interference.

to refrain from interfering with.

let go. go ( def. 82 ) .

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.

verb

blame , incarcerate , punish

verb

abandon , absolve , discharge , dispense , drop , excuse , exempt , exonerate , forgive , let go , pardon , privilege from , release , relieve , remove , spare , let