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blast·​off ˈblast-ˌȯf How to pronounce blastoff (audio)
: a blasting off (as of a rocket)

blast off

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blasted off; blasting off; blasts off

intransitive verb

: take off sense 1b
used especially of rocket-propelled missiles and vehicles

Examples of blastoff in a Sentence

Noun the mission was scrubbed just minutes before blastoff
Recent Examples on the Web
Boeing's Starliner crew capsule, perched atop a United Launch Alliance Atlas 5 rocket, stands poised for blastoff from pad 41 at the Cape Canaveral Space Force Station (file photo). William Harwood, CBS News, 1 June 2024 Each day, there are Big Top performances at 11 a.m. and 2:30 p.m., with a human cannonball blastoff at 1:45 p.m. Admission costs $23 for teens and adults, $20 for seniors (ages 65 and up) and $15 for children (ages 5-12). Amy Schwabe, Journal Sentinel, 10 May 2024
The rocket that is essentially three Falcon 9’s strapped together blasted off from Kennedy Space Center’s Launch Pad 39-A at 5:26 p.m. carrying the 11,000-pound GOES-U satellite for the National Oceanic and Atmospheric Administration (NOAA), partnered with NASA. Richard Tribou, Orlando Sentinel, 25 June 2024 Orion circled the moon in a successful 25-day mission that blasted off in November 2022 without a crew. Laurence Darmiento, Los Angeles Times, 6 June 2024 See all Example Sentences for blastoff 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'blastoff.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use


1934, in the meaning defined above


1934, in the meaning defined above

Time Traveler
The first known use of blastoff was in 1934

Dictionary Entries Near blastoff

Cite this Entry

“Blastoff.” Dictionary, Merriam-Webster, Accessed 16 Jul. 2024.

Kids Definition

blast off

: take off sense 4b
used especially of rocket-driven missiles and vehicles
Last Updated: - Updated example sentences
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