Definition of fill up in US English:

fill up

phrasal verb

  • 1Become completely full.

    ‘the dining car filled up’
    1. 1.1 Fill the fuel tank of a car.
      • ‘The AA advises customers to shop around for fuel and to avoid filling up at motorway service stations.’
      • ‘I entered the country and stopped at the first fuel station to fill up and buy a coffee.’
      • ‘The bike sped away from the service station after filling up with £13.90 of petrol.’
      • ‘Anyway, it's always a good idea to shop around for your fuel when you're filling up.’
      • ‘You just drive your car up to the service station and then fill up with hydrogen?’
      • ‘What happens if you drive the car out of state and fill up with high-sulfur fuel?’
      • ‘Just recently a relative of mine was relieved of her handbag while getting into her car after filling up at a local petrol station.’
      • ‘The cost of filling up with petrol has fuelled endless controversy.’
      • ‘I returned my hire car to Genoa airport last Sunday and allowed plenty of time to fill up with fuel to avoid the penalty cost.’
      • ‘Police were on duty at the Shell forecourt in York to prevent any private motorists trying to fill up.’