Definition of warm up in US English:

warm up

phrasal verb

  • 1Prepare for physical exertion or a performance by exercising or practicing gently beforehand.

    ‘the band was warming up’
    • ‘The classes start with a short aerobic exercise to warm up the body before a 20 minute session on the poles.’
    • ‘It is important that you warm up gently before you start any exercises and do not strain at all.’
    • ‘The day was run by two teachers, Rodney and Brian, and we began in the morning with physical and vocal warm up.’
    • ‘Be sure to warm up and stretch before exercising.’
    • ‘During practice or to warm up before a game, turn this team sport into a one-on-one competition.’
    • ‘There's tones in the song, if you engage in it as a singer, and reach that place as a singer in the falsetto, and it's just a beautiful exercise to warm up your larynx.’
    • ‘The Horsforth Old Brass Band entertained the crowd who were warmed up before the turning on ceremony by radio presenters Jon Hammond and Steve Warren.’
    • ‘The jogging was intended to provide an easy warm up activity that also prepared the muscles for stretching.’
    • ‘The following exercises are for stretching and warming up the muscles before shooting and for stretching and cooling down the muscles after shooting.’
    • ‘Next, students practice warming up exercises in unison.’
    limber up, loosen up, stretch, work out, exercise, get into condition, get into shape, practise, prepare, get ready
    View synonyms
    1. 1.1 (of an engine or electrical appliance) reach a temperature high enough to allow it to operate efficiently.
      • ‘Instead of waiting for the car to warm up, it is better to drive the vehicle in low gear till the engine warms up.’
      • ‘A swirl control valve that increases the air/fuel mixture when the engine is warming up improves combustion.’
      • ‘Ken set the mixtures to auto lean and warmed up the engines at 1000 rpm.’
      • ‘This allows the engine to warm up faster, cutting exhaust emissions, and reduces fuel consumption by about 3 percent because it is not geared to the engine.’
      • ‘The car may not start well and works rather sluggishly until the engine warms up.’
      • ‘In a minute I'm in my car with the doors locked and the engine warming up.’
      • ‘Although now I can hear the noise of the snowploughs working away and some aircraft warming up their engines.’
      • ‘A spokesman for AA Roadwatch advised motorists to take extra care in the arctic conditions and to allow more time to warm up their vehicles in the morning.’
      • ‘By this time the truck's engine has warmed up enough to allow a shift up into second gear, then third and finally fourth - or top gear.’
      • ‘Check that the tyre pressures are correct, the brakes are in good working order and that the engine warms up as quickly as possible.’
    2. 1.2 Become livelier or more animated.
      ‘after several more rounds, things began to warm up in the bar’