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
Eventually things hit blastoff as Cunningham puts a kick drum under Ciani’s percolating synths, a fusion of old and new that only underlines how badass Ciani’s sounds are. Andrew Ryce, Pitchfork, 9 Apr. 2026 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
Verb
Caratini hit a three-run blast off the facing of the third deck in left field. CBS News, 14 Apr. 2026 In an Instagram post shared Sunday, NASA astronaut Christina Koch, one of the four Artemis II crew members, enters her home after her return from her space mission — and her dog, Sadie, is about to blast off from sheer excitement. Francie Ebert, NBC news, 13 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 18 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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