Dictionary.com
Thesaurus.com
Synonyms

blastoff

American  
[blast-awf, -of, blahst-] / ˈblæstˌɔf, -ˌɒf, ˈblɑst- /

noun

Aerospace.
  1. the launching of a rocket, guided missile, or spacecraft.


blastoff British  
/ ˈblɑːstˌɒf /

noun

  1. the launching of a rocket under its own power

  2. the time at which this occurs

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (adverb; when tr, usually passive) (of a rocket, spacemen, etc) to be launched

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of blastoff

First recorded in 1950–55; noun use of verb phrase blast off

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

So the team instead settled on another idea: What if the rocket could be tossed several meters above the surface, allowing more clearance for blastoff?

From Scientific American • Mar. 4, 2022

The co-host of ABC’s “Good Morning America” and former New York Giant prepped Saturday for a morning blastoff from West Texas.

From Seattle Times • Dec. 11, 2021

The quartet of amateur space travelers, led by the American founder and chief executive of e-commerce firm Shift4 Payments Inc, Jared Isaacman, were due for blastoff as early as 8 p.m.

From Reuters • Sep. 15, 2021

Just listen to the opening blastoff of his Sinfonia Concertante for violin, viola and orchestra.

From Los Angeles Times • Sep. 16, 2020

Before my phone broke, I’d watched the blastoff footage online all the time to remind myself that I too was meant to be a scientist and someday walk in space.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas