: 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
How to watch SpaceX Starlink launch livestream As with most SpaceX missions, the launch will be available to stream on the company's website and its new X TV mobile app, beginning about five minutes before liftoff.
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Eric Lagatta, AZCentral.com, 2 Oct. 2025
The company will webcast the action, beginning 30 minutes before liftoff.
—Mike Wall, Space.com, 30 Sep. 2025
After launching, the Orion spacecraft will separate from the upper stage of the SLS rocket a little more than three hours after liftoff.
—Eric Berger, ArsTechnica, 23 Sep. 2025
That’s more liftoffs than the rest of the world gets into space, combined.
—Noah Shachtman, Wired News, 22 Sep. 2025
See All Example Sentences for liftoff
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Eric Lagatta, AZCentral.com, 2 Oct. 2025
The company will webcast the action, beginning 30 minutes before liftoff.
—Mike Wall, Space.com, 30 Sep. 2025
After launching, the Orion spacecraft will separate from the upper stage of the SLS rocket a little more than three hours after liftoff.
—Eric Berger, ArsTechnica, 23 Sep. 2025
That’s more liftoffs than the rest of the world gets into space, combined.
—Noah Shachtman, Wired News, 22 Sep. 2025
See All Example Sentences for liftoff
Cite this Entry
“Liftoff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/liftoff. Accessed 7 Oct. 2025.
Copy CitationKids Definition
liftoff
noun
lift·off
ˈlif-ˌtȯf 
: a vertical takeoff (as by a rocket)
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