[blast-awf, -of, blahst-]
See more synonyms for blastoff on

Origin of blastoff

First recorded in 1950–55; noun use of verb phrase blast off Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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
verb blast off
  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