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.
Rain or thick cloud cover can interfere with tracking and safety systems during liftoff. Brandi D. Addison, USA Today, 1 Apr. 2026 The astronauts will be driven to the launch pad roughly 4 hours and 40 minutes before liftoff, where crews will help strap them into their seats aboard the Orion capsule. Tom Costello, NBC news, 30 Mar. 2026 If the launch team announces a hold, this indicates a natural pause in the countdown, which is intended to allow for tasks to be performed or for a slight delay so that liftoff will align with a specific launch time that doesn’t disrupt the schedule. Ashley Strickland, CNN Money, 30 Mar. 2026 There was one woman in the packed firing room for the liftoff of Apollo 11. Marcia Dunn, Los Angeles Times, 30 Mar. 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 2 Apr. 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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