: 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
Its booster separated from the vehicle’s upper stage about two minutes and 45 seconds after liftoff.
—
Martha Ross, The Mercury News, 27 Nov. 2024
The rocket booster detached from the vehicle's upper stage about two minutes after liftoff.
—Yaakov Katz, Newsweek, 27 Nov. 2024
Starship's first test launch exploded shortly after liftoff last April from the company's Starbase operations area near Brownsville.
—Alexis Simmerman, Austin American-Statesman, 21 Nov. 2024
That live stream will open about 30 minutes before liftoff.
—William Gavin, Quartz, 18 Nov. 2024
See all Example Sentences for liftoff 
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Martha Ross, The Mercury News, 27 Nov. 2024
The rocket booster detached from the vehicle's upper stage about two minutes after liftoff.
—Yaakov Katz, Newsweek, 27 Nov. 2024
Starship's first test launch exploded shortly after liftoff last April from the company's Starbase operations area near Brownsville.
—Alexis Simmerman, Austin American-Statesman, 21 Nov. 2024
That live stream will open about 30 minutes before liftoff.
—William Gavin, Quartz, 18 Nov. 2024
See all Example Sentences for liftoff
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Dictionary Entries Near liftoff
Cite this Entry
“Liftoff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/liftoff. Accessed 17 Dec. 2024.
Copy CitationKids Definition
liftoff
noun
lift·off
ˈlif-ˌtȯf 
: a vertical takeoff (as by a rocket)
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