- air forced into a furnace by a blower to increase the rate of combustion.
- a jet of steam directed up a smokestack, as of a steam locomotive, to increase draft.
- a draft thus increased.
- a party or riotously good time: Did we have a blast last night!
- something that gives great pleasure or enjoyment; thrill; treat: My new electronic game is a blast.
verb (used with object)
verb (used without object)
- (of a rocket) to leave a launch pad under its own power.
- (of an astronaut) to travel aloft in a rocket.
Origin of blast
Related formsblast·er, nounblast·y, adjective
British Dictionary definitions for full blast
- the rapid movement of air away from the centre of an explosion, combustion of rocket fuel, etc
- a wave of overpressure caused by an explosion; shock wave
Derived Formsblaster, noun
Word Origin for blast
Idioms and Phrases with full blast (1 of 2)
Also, at full blast. At full power, with great energy; also, as loud as possible. For example, The committee is working full blast on the plans, or The fanfare featured the trumpets at full blast. This expression transfers the strong currents of air used in furnaces to anything being done at full power. [Late 1700s]
Idioms and Phrases with full blast (2 of 2)
In addition to the idiom beginning with blast
- blast off
- full blast