at full blast, at maximum capacity; at or with full volume or speed: The factory is going at full blast.Also full blast.

Origin of blast

before 1000; 1955–60 for def 7a; Middle English (noun and v.); Old English blǣst (noun) a blowing; akin to Old Norse blāstr, Old High German blāst (derivative of blāsan, cognate with Gothic ufblēsan, Old Norse blāsa). See blow2


1 squall, gale, blow, storm. See wind1.
2 blare, screech.
11 discharge, outburst.
16 annihilate.

Related forms

blast·er, nounblast·y, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for blasting

British Dictionary definitions for blasting (1 of 2)


/ (ˈblɑːstɪŋ) /


a distortion of sound caused by overloading certain components of a radio system

British Dictionary definitions for blasting (2 of 2)


/ (blɑːst) /



slang an exclamation of annoyance (esp in phrases such as blast it! and blast him!)


See also blastoff

Derived Forms

blaster, noun

Word Origin for blast

Old English blǣst, related to Old Norse blāstr
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 blasting


In addition to the idiom beginning with blast

  • blast off

also see:

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