liftoff
Americannoun
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Aeronautics, Rocketry.
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the action of an aircraft in becoming airborne or of a rocket in rising from its launching site under its own power.
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the instant when such action occurs.
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Informal. the launching or commencement of a project, plan, etc..
The liftoff of the sales campaign will be next month.
adjective
noun
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the initial movement or ascent of a rocket from its launch pad
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the instant at which this occurs
verb
Other Word Forms
Noun Inflected Forms
Etymology
Origin of liftoff
First recorded in 1955–60; noun and adjective use of verb phrase lift off
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Wagner is confident that geothermal energy has now achieved liftoff, and will only get better and cheaper over time.
From BBC ● Jun. 25, 2026
Alexi has achieved cultural liftoff in a you-gotta-see-this way.
From The Wall Street Journal ● Jun. 23, 2026
He has edited his solos a little; they seem more concise, but they still achieve the same goal: liftoff.
From Salon ● May 28, 2026
The test mission is meant to last approximately 65 minutes after liftoff, as the upper stage cruises on a suborbital trajectory and eventually splashes down in the Indian Ocean, if all goes to plan.
From Barron's ● May 21, 2026
We were over Australia now, exactly one hour after liftoff, and all our machinery seemed to be working perfectly.
From "Flying to the Moon: An Astronaut's Story" by Michael Collins
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Security Council resolutions prohibit any satellite liftoffs by North Korea, viewing them as covers for testing its long-range missile technology.
From Washington Times ● Nov. 22, 2023
They also say if North Korea launches multiple missiles from different sites simultaneously, it would be more difficult for the allies to spot liftoffs in advance and shoot them down.
From Seattle Times ● Oct. 10, 2022
It was a thing of teeth-rattling liftoffs and bone-thumping landings and a dependence on fire—fire!, the fuel of the primitives—to get anywhere at all.
From Time ● Feb. 27, 2015
The engaging Gomez’s liftoffs occur courtesy of ZFX’s flying effects.
From Washington Post ● Dec. 9, 2014
Yet that audience dwindled quickly after the first flight in 1981 as the missions turned routine, or at least seemed that way to the television executives who decided to stop showing live liftoffs.
From New York Times ● Jul. 8, 2011
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.