blastoff

1 of 2

noun

blast·​off ˈblast-ˌȯf How to pronounce blastoff (audio)
: 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

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
In October 2021, Shatner, then 90, blasted off aboard Jeff Bezos’ Blue Origin New Shepard rocket for the NS-18 mission from West Texas’ Launch Site One. Stephanie Giang-Paunon, FOXNews.com, 25 Sep. 2025 Schwarber opened the scoring in the first inning with a blast off the second deck in right field — his 54th home run of the season. Miami Herald, 24 Sep. 2025 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 29 Sep. 2025.

Kids Definition

blast off

verb
ˈblas-ˈtȯf
: take off sense 4b
used especially of rocket-driven missiles and vehicles
blast-off
-ˌtȯf
noun
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!