Synonyms of liftoffnext
: a vertical takeoff by an aircraft or a rocket vehicle or missile

Examples of liftoff in a Sentence

a series of successful liftoffs Thousand of spectators gathered to watch the liftoff of the space shuttle.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Eight and a half minutes after liftoff, when the spacecraft reaches orbital speed, the main engines cut off (this is called MECO). — Laura Zornosa, Los Angeles Times, 28 Oct. 2026 And even if the mission does completely succeed, NASA will still require both competing spacecraft to execute an uncrewed lunar landing and liftoff to prove their mettle further. — Jeffrey Kluger, Time, 28 Oct. 2026 Falcon 9's upper stage ignited its engine for a second time about 53 minutes after liftoff, circularizing its orbit with a burn that lasted a very short 3 seconds. — Josh Dinner, Space.com, 27 Oct. 2026 Despite all of this, the rocket is making credible progress toward liftoff. — Eric Berger, ArsTechnica, 20 Oct. 2026 See All Example Sentences for liftoff

Word History

First Known Use

circa 1956, in the meaning defined above

Time Traveler
The first known use of liftoff was circa 1956

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Cite this Entry

“Liftoff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/liftoff. Accessed 7 Nov. 2026.

Kids Definition

: a vertical takeoff (as by a rocket)

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