Definition of loose verb from the Oxford Advanced American Dictionary

     

    loose

     verb
    verb
    NAmE//lus//
     
    (formal)Verb Forms present simple I / you / we / they loose
     
    he / she / it looses
     
    past simple loosed
     
    -ing form loosing
     
     
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    release
  1. 1loose something (on/upon somebody/something) to release something or let it happen or be expressed in an uncontrolled way His speech loosed a tide of nationalist sentiment.
  2. make something loose
  3. 2loose something to make something loose, especially something that is tied or held tightly synonym loosen He loosed the straps that bound her arms.
  4. fire bullets
  5. 3loose something (off) (at somebody/something) to fire bullets, arrows, etc. Do not confuse this verb with to lose  =  “to be unable to find something.”
See the Oxford Advanced Learner's Dictionary entry: loose