verb (used with object), un·loosed, un·loos·ing.

to loosen or relax (the grasp, hold, fingers, etc.).
to let loose or set free; free from restraint.
to undo or untie (a fastening, knot, etc.); unfasten.

Origin of unloose

1325–75; Middle English unloosen; see un-2, loose
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unloose

Historical Examples of unloose

  • After the captain left him, he struggled hard to unloose the cords which bound him.

    Brave and Bold

    Horatio Alger

  • I have a large, hundred-ounce poke of dust, and I unloose the thong.

    The Trail of '98

    Robert W. Service

  • Shirley would untie the knots or cut the rope or get someone to unloose her.


    Josephine Lawrence

  • Some of them had it tied up behind like women, and now proceeded to unloose it.

    The Bertrams

    Anthony Trollope

  • I made a feeble attempt to unloose her hands and draw myself up.

    A Pessimist

    Robert Timsol

British Dictionary definitions for unloose



verb (tr)

to set free; release
to loosen or relax (a hold, grip, etc)
to unfasten or untie
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unloose

late 14c., "to set free," from un- (2), used here emphatically, + loose. Related: Unloosed; unloosing.

Online Etymology Dictionary, © 2010 Douglas Harper