Definition of lift off in US English:

lift off

phrasal verb

  • (of an aircraft, spacecraft, or rocket) rise from the ground or a launch pad, especially vertically.

    • ‘As night approached, four CH - 46 Sea Knight helicopters lifted off the Roosevelt's deck.’
    • ‘To applause from watching crowds, it lifts off from Heathrow to successfully completed its first full transatlantic flight since its grounding last year.’
    • ‘The coordinator could not contain the gloat as the aircraft lifted off to record another on-time take off.’
    • ‘Tailwinds produce excessive rolling speeds prior to lifting off and following touchdown.’
    • ‘Then - the mission complete - the helicopters lifted off, turning for the border and safety.’
    • ‘Plan your takeoff, so you'll lift off before the rotation point of the other aircraft.’
    • ‘Marine Cobra helicopters lifted off as tracer fire criss-crossed the north end of the airport, it said.’
    • ‘One by one, the insects march up blades of grass, waiting until dusk to lift off like miniature helicopters into the night.’
    • ‘The first privately funded spacecraft lifts off from an airstrip in the Mojave Desert.’
    • ‘The report says that as the aging helicopter lifted off the deck of HMCS Iroquois, the pilot gave the aircraft too much power.’
    • ‘The first airship is due to lift off from a special base being constructed at a hanger in the village of Briesen near Berlin.’
    • ‘As the aircraft lifts off, put in a slow, steady, forward elevator pressure - just enough to keep it from climbing, but not so much that you descend back onto the runway.’
    • ‘The Douglas engineers he contacted said if he added another 1000 gallons the airplane would not lift off.’
    • ‘Witnesses said the takeoff roll was long and the airplane went almost the entire length of the runway before lifting off.’
    • ‘He shouted over the rotor noises of the helicopter as it lifted off from the site.’
    • ‘One alleged problem was that, nearing its 252 mph top speed, it began to lift off like an aeroplane.’
    • ‘Finally, when the airplane has less than 20 feet of runway left, there is a sudden change in the pitch of the shouts as everyone screams at once, and at the very last moment the airplane lifts off and is airborne.’
    • ‘By the time a STARS helicopter lifts off, a team of experts has already gone into action - both in the air and on the ground.’
    • ‘They can improve current systems, or develop new products, like a rocket that lifts off on invisible laser beams.’
    • ‘One of his mightiest inventions was the Dirigibelle, a vast steam-powered Zeppelin which would lift off from Brighton Pier, and float across the English Channel.’
    take off, be launched, blast off, leave the ground, become airborne, take to the air, take wing
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