liftoff

noun

lift·​off ˈlift-ˌȯf How to pronounce liftoff (audio)
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.
This run needs to be the liftoff. Eric Stephens, New York Times, 15 May 2026 Powered by 33 of SpaceX's Raptor-class engines, the booster provides the initial burst of thrust at liftoff, while the vehicle is where the crew and cargo would ride in orbit after the stages separate. Eric Lagatta, USA Today, 13 May 2026 The vast majority of the rocket's liftoffs so far in 2026 — 44 of 55 — have been dedicated to building out Starlink, SpaceX's broadband megaconstellation in low Earth orbit. Mike Wall, Space.com, 12 May 2026 The upcoming flight will also mark the first liftoff from a new launch pad at Starbase, about 1,000 feet (300 meters) west of the departure point for all of SpaceX’s past Starship test flights. Stephen Clark, ArsTechnica, 12 May 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 19 May. 2026.

Kids Definition

liftoff

noun
lift·​off ˈlif-ˌtȯf How to pronounce liftoff (audio)
: a vertical takeoff (as by a rocket)

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