let loose

[ let-loos ]
See synonyms for let loose on Thesaurus.com
idiom,past and past participle let loose,present participle let·ting loose.
  1. to set free; release; They let the captured mouse loose in a field.

  2. to allow to act freely (often followed by on): I have my medical students practice putting IVs in me before I let them loose on patients.

  1. to act in a relaxed or uninhibited way: It took some time to talk my dad into letting loose and playing a few games with the grandkids.I can be serious when I need to be, but sometimes I just need to let loose and have fun.

  2. to utter or issue forcefully and suddenly (sometimes followed by with): I let loose a shriek and made a dive for the door.He let loose with a flurry of angry posts on the website.

  3. to give way; yield: The guardrail let loose and we very nearly plunged over the edge.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use let loose in a sentence

  • The silence was more horrible than the hell-let-loose of a few minutes before.

    The Magnetic North | Elizabeth Robins (C. E. Raimond)