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loose, loosen, release, uncork, unleash, unlock, unloose
bridle, check, constrain, contain, control, curb, govern, hold, inhibit, regulate, rein (in), restrain, smother, tame
15th century, in the meaning defined above
Resources for unloosen
From the Editors at Merriam-Webster
'Un-': You Don't Always Have to Be So...
Unraveling a common negative prefix
Time Traveler for unloosen
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More Definitions for unloosen
: to make (something) loose : to untie (something)
See the full definition for unloosen in the English Language Learners Dictionary
More from Merriam-Webster on unloosen
Thesaurus: All synonyms and antonyms for unloosen
Comments on unloosen
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noxious or harmful
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