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
Crew 10 commander Anne McClain, pilot Nichole Ayers, Japanese astronaut Takuya Onishi and Russian cosmonaut Kirill Peskov were strapped in and ready for blastoff from historic pad 39 at the Kennedy Space Center at 7:48 p.m. EDT. William Harwood, CBS News, 12 Mar. 2025 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
Verb
Next month, four astronauts are expected to board a space capsule called Orion, blast off on a rocket known as the Space Launch System, and exit low-Earth orbit for the first time since 1972, en route to a 10-day flyby of the moon. Editorial, Boston Herald, 21 Jan. 2026 The out-and-back trip could blast off as early as February. Marcia Dunn, Los Angeles Times, 17 Jan. 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 30 Jan. 2026.

Kids Definition

blast off

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