| loosen | (verb) become loose or looser or less tight | Synonyms: loose, relax |
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| (verb) make loose or looser | Synonyms: loose |
| (verb) make less dense | - |
| (verb) disentangle and raise the fibers of | Synonyms: tease, tease apart |
| (verb) cause to become loose | Synonyms: undo, untie |
| (verb) become less severe or strict | Synonyms: relax |
| (verb) make less severe or strict | Synonyms: relax |
| unloosen | (verb) loosen the ties of | Synonyms: unloose |
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| (verb) grant freedom to; free from confinement | Synonyms: free, liberate, loose, release, unloose |