let loose

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let (someone or something) loose

To make free or give up control of something or someone; to release or discharge something or someone, as from confinement. Due to a lack of evidence, the suspects were let loose by police. Samantha was suspended for letting mice loose throughout the school.
See also: let, loose

let (someone) loose (on something)

To allow someone to do something as they please, without supervision or control. It's so nice to go to the park and let the kids loose for a while. I hope the board of directors aren't let loose on our project. We can't afford to have them changing things last minute!
See also: let, loose

let (something) loose

1. To do something in a sudden, fierce, and/or uncontrolled manner; to unleash something, especially that which is violent or destructive. The trapped wolf let loose a bone-chilling howl. The home team began to let loose an unwavering offensive barrage against their cross-town rivals. The owner of the ranch let his hounds loose upon the trespassers.
2. To allow something to spread, grow, or develop in a wild or uncontrolled manner, especially that which is destructive or ruinous. With news of the military junta's governmental overthrow, a wild, riotous pandemonium was let loose across the already unstable country.
See also: let, loose

let loose

(with something) Go to let go (with something).
See also: let, loose

let ˈloose

(British English) (American English cut ˈloose) (informal) do something or happen in a way that is not controlled: Teenagers need a place to let loose.
See also: let, loose

let somebody/something ˈloose

1 free somebody/something from whatever holds them/it in place: She let her hair loose and it fell around her shoulders.Who let the dogs loose?
2 give somebody complete freedom to do what they want in a place or situation: He was at last let loose in the kitchen.A team of professionals were let loose on the project.
References in periodicals archive ?
CHRIS PIETSCH / The Register-Guard Two hundred feet above the ground, electricians for Olsson Industrial, Jeff Jacobson (above left) and Dana Gillespie, let loose of a broken 50-pound light assembly as it is carried away by a Weyerhaeuser helicopter.
After a breathing spell, the huntsmen and dogs were ranged as before and another let loose.
When anti-dengue team refused to stop spraying the area he let loose a dog on the team.
Twins John and Edward Grimes, 18, have jetted to the States to discuss filming a new series of their hit show Jedward Let Loose in the City of Angels.
Then, the investigators let loose a test bee that either had or had not observed trained worker bees.
In the finale the company let loose with reckless abandon, cutting to the emotional quick of the power that is dance--redeeming, profound, gorgeous.
After one too many photos in Vans slip-ons, Ragdoll was let loose from the Duffs program where he was reportedly about to receive a shoe.
Mel Gibson makes a serious bid to tell the New Testament story about the Son of God and all hell is let loose.
EXTENSIVE damage has been caused to a popular country park after vandals let loose a herd of cattle.
LET loose two teams of amateur collectors in an antiques fair, give them a wad of cash and just one hour on the clock to find a real bargain - and you have the makings of this fabulous show.
So far, Carnivore has been let loose only in fenced-in pastures--participating galleries, for example--but with a new downloadable version, CarnivorePE, RSG's project of demystifying FBI technology can now reach the masses.
She let loose a torrent of verbal obscenities, but complied, after which she and her accomplice fled.
Unfortunately, High Hand, falls short in its attempt to maintain the attention and interest of readers even as he provides a suspenseful, gripping and exciting story in which this sophisticated and intelligent heroine can really let loose.
She later let loose a cannon shot, blasting "all you moguls out there who wouldn't give me a job.