or lift-off

[lift-awf, -of]


Aeronautics, Rocketry.
  1. the action of an aircraft in becoming airborne or of a rocket in rising from its launching site under its own power.
  2. the instant when such action occurs.
Informal. the launching or commencement of a project, plan, etc.: The liftoff of the sales campaign will be next month.


that removes by lifting off; capable of being lifted off: a liftoff correction tape for typewriters; magnetized, liftoff nameplates.

Nearby words

  1. liftboy,
  2. lifter,
  3. liftgate,
  4. lifting body,
  5. lifting sail,
  6. lig,
  7. lig snail,
  8. ligament,
  9. ligament of head of femur,
  10. ligamentopexis

Origin of liftoff

First recorded in 1955–60; noun, adj. use of verb phrase lift off Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for liftoff

British Dictionary definitions for liftoff



the initial movement or ascent of a rocket from its launch pad
the instant at which this occurs

verb lift off

(intr, adverb) (of a rocket) to leave its launch pad
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

Word Origin and History for liftoff



also lift-off, "vertical take-off of a rocket, etc.," 1956, American English, from lift (v.) + off.

Online Etymology Dictionary, © 2010 Douglas Harper