liftoff

noun

lift·​off ˈlift-ˌȯf How to pronounce liftoff (audio)
: 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.
The May 6 attempt was scrubbed two hours before liftoff because of valve on ULA’s upper Centaur stage that teams continue to investigate. Richard Tribou, The Orlando Sentinel, 6 Apr. 2025 The first stage is the bottommost portion of the rocket with nine engines that fire up at liftoff, powering the 230-foot (70-meter) vehicle off the ground. Jackie Wattles, CNN Money, 4 Apr. 2025 But Starship's 171-foot-tall (52-meter) upper stage exploded less than 10 minutes after liftoff, raining debris down on the Turks and Caicos Islands. Mike Wall, Space.com, 3 Apr. 2025 Then, SpaceX will roll the ship to the launch pad, where crews will raise it on top of the Super Heavy booster in the final days before liftoff. ArsTechnica, 3 Apr. 2025 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 15 Apr. 2025.

Kids Definition

liftoff

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

More from Merriam-Webster on liftoff

Last Updated: - Updated example sentences
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