loosener

/ˈlusənər/
noun
  1. A tool or substance used to make something less tight or stuck.
    • The mechanic used a thread loosener to free the stuck nut.
    • She bought a fabric loosener to soften the stiff new jeans.
    • He sprayed a rust loosener on the old bolts to help remove them.
  2. Something that helps a person relax or become less tense.
    • The comedy show was the perfect tension loosener for the stressed crowd.
    • He found that listening to music was a good mind loosener before studying.
    • A warm bath can be a great muscle loosener after a long day.
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