let be (dialect let-a-be)

1. To leave undisturbed
2. Not to mention, to say nothing of (Scot)

let blood

To cause to bleed

let down

1. To allow to fall
2. To lower
3. To make longer
4. To allow air to escape from
5. To leave in the lurch, fail to back up when needed, betray trust, disappoint

let drive

1. To aim a blow
2. To discharge a missile

let fall

1. To drop
2. To mention or hint

let fly

1. To fling, discharge, shoot
2. To deliver a blow (also figurative)

let go

1. To cease holding
2. To finish the employment of
3. To slacken (nautical)

let in

1. To allow to enter
2. To take in or swindle (archaic)
3. (with for) to involve in or betray into anything unpleasant or troublesome
4. To insert
5. To leak inwards

let in on (informal)

To allow to take part in

let into

1. To set into the surface of
2. To admit to the knowledge of
3. To throw into one with

let loose

1. To set free
2. To let go of restraint, to indulge in unrestrained talk or conduct

let off

1. To allow to go free or without exacting all
2. To fire off, discharge
3. To break wind from the anus (informal)

let on (informal)

1. To allow to be believed, to pretend
2. To disclose awareness
3. To reveal, divulge

let oneself go (informal)

1. To allow one's appearance, lifestyle, etc to deteriorate
2. To act without restraint

let out

1. To allow to go free, or to become known
2. To emit
3. To widen, slacken, enlarge
4. To put out to hire
5. To leak outwards
6. To strike out or kick out (archaic)

let someone know

To inform someone

let up (informal)

1. To become less
2. To abate

let up on (informal)

1. To cease to have to do with
2. To treat less harshly

let well alone

To let things remain as they are from fear of making them worse

to let

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