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blastoff

[ blast-awf, -of, blahst- ]
/ ˈblæstˌɔf, -ˌɒf, ˈblɑst- /
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noun Aerospace.

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

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Origin of blastoff

First recorded in 1950–55; noun use of verb phrase blast off
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for blastoff

blastoff
/ (ˈblɑːstˌɒf) /

noun

the launching of a rocket under its own power
the time at which this occurs

verb blast off

(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

Idioms and Phrases with blastoff

blast off

1

Also, blast away. Take off or be launched, especially into space, as in They're scheduled to blast off on Tuesday. This usage originated with the development of powerful rockets, spacecraft, and astronauts, to all of which it was applied. [c. 1950]

2

Depart, clear out, as in This party's over; let's blast off now. [Slang; early 1950s]

3

Become excited or high, especially from using drugs, as in They give parties where people blast off. [Slang; c. 1960]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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