blastoff

1 of 2

noun

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

blast off

2 of 2

verb

blasted off; blasting off; blasts off

intransitive verb

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

Synonyms of blastoff

Examples of blastoff in a Sentence

Noun the mission was scrubbed just minutes before blastoff
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.
Noun
There is a rocket launch pad that uses a pivoting, spinning lever mechanism to simulate a blastoff from Earth to the moon. Ian Stokes, Space.com, 5 Apr. 2026 And those of us who stay flat-footed on Earth are well accustomed to lift-off cancellations and postponed blastoffs. Arkansas Online, 28 Feb. 2026
Verb
And the Easter holiday frame has helped power records as well, with all major chains touting gains made as Universal and Nintendo’s The Super Mario Galaxy Movie blasted off to $190 million over five days. Erik Hayden, HollywoodReporter, 7 Apr. 2026 What happened The four astronauts of NASA’s Artemis II mission blasted off from Florida’s Kennedy Space Center shortly before sunset Wednesday, aiming to become the first humans to reach the moon in 54 years. Peter Weber, TheWeek, 2 Apr. 2026 See All Example Sentences for blastoff

Word History

First Known Use

Noun

1934, in the meaning defined above

Verb

1934, in the meaning defined above

Time Traveler
The first known use of blastoff was in 1934

Browse Nearby Words

See all Nearby Words

Cite this Entry

“Blastoff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blastoff. Accessed 11 Apr. 2026.

Kids Definition

blast off

verb
ˈblas-ˈtȯf
: take off sense 4b
used especially of rocket-driven missiles and vehicles
blast-off
-ˌtȯf
noun
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