Definition of loosen up in US English:

loosen up

phrasal verb

  • 1Warm up in preparation for an activity.

    ‘arrive early to loosen up and hit some practice shots’
    • ‘First classes were for beginners and those present were introduced to the foundation exercises to allow body muscles to loosen up.’
    • ‘When she got up out of bed and did some get exercising to loosen up, she started to get ready for the council that afternoon.’
    • ‘With no practice swings or loosening up the Fulford ace let fly, despite being racked by pain in his neck and shoulders.’
    • ‘There he is, at the end of the runway, preparing, psyching, wobbling thighs, flexing fingers, loosening up, imagining his jump, imaging he's going to jump right out of the stadium.’
    • ‘While almost everyone else on the team is getting pounded through the course of a game, the kicker wanders the sideline in a clean uniform, occasionally loosening up by kicking balls into a net.’
    • ‘When you see a golfer taking a practice swing they are not just loosening up, they are telling their subconscious what they want to happen.’
    • ‘She took a few steps away from the others and then started doing a few exercises to loosen up her cramped muscles.’
    • ‘Precede your weight training with a light whole-body cardio warm-up as usual, and do some light sets of the first exercise to loosen up your muscles.’
    • ‘While the rest of the Connecticut players merely loosen up, stretching the muscles used on their jump shots, Brown instantly goes to work.’
    • ‘The dancers and musicians loosened up for their collaboration through exercises such as call-and-response sessions, in which a musician would improvise a phrase and a dancer would respond with movement.’
    • ‘Stretching should always precede any form of exercise in order to warm and loosen up the muscles and to avoid injury.’
    • ‘Since the practice was held in Dalkey, a little less than 2 miles from the house, I decided to run there so I could loosen up and relax a bit.’
    1. 1.1 Make or become relaxed.
      ‘they taught me to have fun at work and loosen up’
      ‘the beer is loosening him up’
      • ‘It's nice loosening up and being able to say what you really feel.’
      • ‘The crowd really loosened up once the headliner took the stage.’