Definition of upshift in US English:

upshift

verb

[no object]
  • 1Change to a higher gear in a motor vehicle.

    • ‘She hit the first small straight and accelerated hard, upshifting, then braking to send her car sailing through a set of hairpin turns.’
    • ‘Accelerating out of each curve, upshifting toward the next, the Saab's perfectly precise steering, athletically taut suspension and linear, progressive brakes add to enjoyment of the road.’
    • ‘Kim spun her car around quickly and punched the gas, accelerating hard as she upshifted, turning the wheel onto Mountaindale Road, watching as Belial shifted uncomfortably in the racing seat.’
    1. 1.1with object Increase.
      ‘stricter driving laws that upshifted the penalties for drunken driving’

noun

  • A change to a higher gear.

    • ‘Unfortunately, though, the sequential changes are tad sloppy on the upshift and slightly jerky on the downshift.’
    • ‘It changes down beautifully, but upshifts are either slow or jerky or full of clutch-slip.’
    • ‘There is also an automatic mode and a low grip mode, which allows the car to start in second gear with all further upshifts taking place at a lower engine speed.’
    • ‘It's much easier to start in 1st gear and upshift through the gears as the bike accelerates.’
    • ‘The powershift transmission also offers upshift and automatic four-wheel-drive braking when in two-wheel drive.’
    • ‘You'll notice its stiffness most under radical upshifts (more than three gears at time).’

Pronunciation

upshift

/ˈəpˌʃɪft//ˈəpˌSHift/