• synonyms


[blast-awf, -of, blahst-]
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noun Aerospace.
  1. 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. 2018

Related Words for blastoff

outset, opening, introduction, inauguration, creation, onset, birth, inception, dawn, top, shot, origin, dawning, rudiment, infancy, spring, preface, kickoff, takeoff, threshold

Examples from the Web for blastoff

Historical Examples of blastoff

  • He saw the girl again next day, when they checked in for blastoff.

    The Colors of Space

    Marion Zimmer Bradley

  • The blastoff tickets had also been purchased—for June tenth.

    The Planet Strappers

    Raymond Zinke Gallun

  • "Blastoff time is 2100 tonight," he said, ending the interview.

    Atom Drive

    Charles Louis Fontenay

  • For one thing, he treated the crew like dirt and had treated them that way since blastoff from Earth almost five months before.

    A World Called Crimson

    Darius John Granger

  • Ramsey was saying softly: “Fifty-three, fifty-four, fifty-five, fifty-six … blastoff!”

    Equation of Doom

    Gerald Vance

British Dictionary definitions for blastoff


  1. the launching of a rocket under its own power
  2. the time at which this occurs
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verb blast off
  1. (adverb; when tr, usually passive) (of a rocket, spacemen, etc) to be launched
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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