\ ˈblast How to pronounce blast (audio) \

Definition of blast

 (Entry 1 of 4)

1a : a violent gust of wind a cold blast of air
b : the effect or accompaniment (such as sleet) of such a gust a blast of freezing rain
2 : the sound produced by an impulsion of air through a wind instrument or whistle the blast of the shofar on Rosh Hashanah the trumpet's blast
3 : something resembling a gust of wind: such as
a : a stream of air or gas forced through a hole
b : a vehement expression of feeling … let out a great blast of mirth …— Marcia Davenport a blast of anger
c : the continuous blowing to which a charge of ore or metal is subjected in a blast furnace
4a : a sudden pernicious influence or effect got a blast of reality when she left home a blast of criticism … virtue preserved from fell destruction's blast— Shakespeare
b botany : a disease of plants marked by the formation of destructive lesions on leaves and inflorescences
5a : an explosion or violent detonation The blast killed eight people. a shotgun blast
b : the shock wave of an explosion felt the blast from several miles away
c sports : a forceful hit (as in baseball) or shot (as in soccer or golf) especially : home run
6 : speed, capacity, operation turned the water on full blast go full blast
7 : an enjoyably exciting experience, occasion, or event I had a blast. Their wedding was a blast. especially : party
8 : the sending of a message (such as a fax or an e-mail) in multiple copies to numerous recipients at one time The campaign then sends Jane targeted messages via canvassers, phone calls, ads, and its increasingly sophisticated email blasts.— Tim Murphy often used before another nouna blast fax
blast from the past
: a striking reminder of an earlier time : something that excites nostalgia This picture is a real blast from the past.


blasted; blasting; blasts

Definition of blast (Entry 2 of 4)

intransitive verb

1 : blare music blasting from the radio
2 : to make a vigorous attack blasting away at her opponent
3a : to use an explosive blast through the wall
b : shoot They walked in and started blasting.
4 : to hit a golf ball out of a sand trap with explosive force
5 : to proceed rapidly or aggressively blasting down the ski slope

transitive verb

1a : to injure by or as if by the action of wind young crops being blasted by the hot dry wind
b : blight The entire crop was blasted by fungus. The injury blasted her dreams of winning a gold medal.
2a : to shatter by or as if by an explosive blasting out nearly all of the building's windows
b : to remove, open, or form by or as if by an explosive blast a hole through the wall blast away these barriers to progress …— Elmer Davis
c : shoot The gunman blasted him down.
3 : to attack vigorously blasting their opponents in the media
4 : to cause to blast off will blast themselves from the moon's surface
5 : to hit vigorously and effectively blasted a home run
6 : to play loudly blasting rock music on the stereo
variants: or blasto-

Definition of blast- (Entry 3 of 4)

: bud : budding : germ blastodisc
\ ˌblast \

Definition of -blast (Entry 4 of 4)

: formative unit especially of living matter : germ : cell : cell layer epiblast

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Examples of blast in a Sentence

Noun She opened the door and felt a cold blast. He was hit by a blast of water from the hose. The driver gave a long blast on his horn. the blast of the factory whistle The bomb blast killed eight people. Verb Workers were blasting rock where the new highway will go. The rock has been blasted away. The explosion blasted a hole in the side of the ship. The mayor was blasted by the local press. The judge blasted the lawyers for delaying the trial. Human rights groups have blasted the government for its treatment of political prisoners. He blasted his rival with a pistol. A gunship blasted enemy headquarters. They blasted the enemy plane out of the sky.
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Recent Examples on the Web: Noun The results should delight newcomers to the show's world, while feeling like a blast from a Dr. Doofenshmirtz-brand nostalgia-inator to longtime viewers. Tyler Aquilina,, "Phineas and Ferb is back — creators preview new movie coming to Disney+ this summer," 28 May 2020 Additional video surfaces in deadly shooting of Ahmaud Arbery May 11, 202002:28 An autopsy report released Monday said Arbery died from two shotgun blasts to the chest and suffered a shotgun graze to his right wrist. NBC News, "NFL star wants to close legal 'loopholes' after Ahmaud Arbery's death. He's calling on AG Barr to help.," 12 May 2020 The autopsy showed Arbery was hit by three shotgun blasts. Russ Bynum,, "Georgia prosecutors, too, are under investigation after slaying of jogger," 12 May 2020 Woodruff, at a disadvantage as a lefty swinger against the lefty Kershaw, drilled a 2-2 pitch over the wall in right-center for an improbable home run, a game-tying blast in what ultimately became a 6-5 win for the Brewers. Jr Radcliffe, Milwaukee Journal Sentinel, "50 in 50: Brewers beat the Cubs in Game 163 to win division," 5 May 2020 Associated Press CHICAGO — Portions of a Chicago expressway left icy by a wintry blast that brought overnight snowfall led to a pileup involving of dozens of vehicles early Wednesday, sending 14 people to hospitals, officials said. USA TODAY, "50 vehicles involved in pileup on icy Chicago expressway, sending 14 people to hospitals," 15 Apr. 2020 The rapidly expanding gasses from the muzzle blast are contained, redirected, and slowed by the suppressor, and with no supersonic crack, there’s not a hell of a lot of sound left over. Tyler Freel, Outdoor Life, "10 Things You Must Know About Subsonic Ammo—Before Ever Firing A Round," 14 Apr. 2020 Among the isotopes created by a thermonuclear blast is a rare, radioactive version of carbon, called carbon 14. Carl Zimmer, The Atlantic, "Nuclear Tests Marked Life on Earth With a Radioactive Spike," 20 Mar. 2020 Werner and his colleagues reported a strangely curved edge in the cluster, which could be part of the wall of a cavity formed by a blast. Mike Wall, Scientific American, "Scientists Spot the Biggest Known Explosion in the Universe," 29 Feb. 2020 Recent Examples on the Web: Verb One approach is to find a metalworking shop near you and pay them to blast the parts. Bryce M. Towsley, Outdoor Life, "3 Ways to Refinish Your Gun With a Custom Paint Job," 13 May 2020 Keith Faber, elected state auditor in November 2018, has since blasted the city for improperly tapping its water and wastewater money for economic development. Desperation Town, ProPublica, "Why a Struggling Rust Belt City Pinned Its Revival on a Self-Chilling Beverage Can," 11 May 2020 White arrived in time to blast him with pepper spray. USA Today, "Not enough guards, too many inmates: Mississippi prisons a perilous place to work," 20 Feb. 2020 On the hunt for something casual to blast out to all your friends? Country Living Staff, Country Living, "40 Best Easter Wishes and Messages to Make Your Loved Ones Smile This April," 30 Jan. 2020 Republicans, meanwhile, have blasted her for dragging out the process, since President Trump's acquittal in the Senate seems all but certain. CBS News, "Republican senator "disturbed" by McConnell's approach to impeachment trial," 26 Dec. 2019 Langhofer has blasted the county for its suspension decision, and said its use of Woods further proves that the county is biased against Petersen. Jessica Boehm, azcentral, "Grant Woods to lead Paul Petersen investigation, but attorneys say he's biased," 19 Nov. 2019 President Donald Trump has blasted the WHO being biased toward China and accepting Beijing's statements about the coronavirus outbreak at face value. Deirdre Shesgreen, USA TODAY, "'War and disease travel together': Why the pandemic push for a global cease-fire is gaining ground," 29 Apr. 2020 There also were jabs at Trump's battle with governors in an outdoors segment with Cecily Strong as Michigan Gov. Gretchen Whitmer, who has blasted Trump's handling of the pandemic., "Brad Pitt Portrays Dr. Fauci in SNL’s Second At-Home Edition," 28 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blast.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of blast


before the 12th century, in the meaning defined at sense 1a


14th century, in the meaning defined at intransitive sense 1

History and Etymology for blast


Middle English, from Old English blǣst; akin to Old High German blāst blast, blāsan to blow, Old English blāwan — more at blow


Middle English blasten, derivative of blast blast entry 1

Combining form

combining form from Greek blastós "shoot, bud, embryo, germ" — more at -blast

Noun combining form

combining form from Greek blastós "shoot, bud, embryo, germ," noun derivative from the base of blastánein "to bud, sprout, grow," of obscure origin

Note: The supposed base *melōdh- "protuberance, head" in Julius Pokorny, Indogermanisches etymologisches Wörterbuch (citing, in addition to blastós, Sanskrit mūrdhan- "head," Greek blōthrós "tall," Old English molda "top of the head") is improbable as an Indo-European root;a substratal origin is possible, but the semantic links are weak.

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Time Traveler for blast

Time Traveler

The first known use of blast was before the 12th century

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Statistics for blast

Last Updated

1 Jun 2020

Cite this Entry

“Blast.” Dictionary, Merriam-Webster, Accessed 1 Jun. 2020.

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More Definitions for blast


How to pronounce -blast (audio)

English Language Learners Definition of blast

 (Entry 1 of 2)

: a mass of air that moves very quickly and forcefully
: a mass of water, gas, heat, etc., that moves very quickly and forcefully through the air
: the loud sound made by a horn or a whistle



English Language Learners Definition of blast (Entry 2 of 2)

: to destroy, break apart, or remove (something) with an explosive
: to create (a space or opening) with explosives
: to strongly criticize (someone or something) especially in public


\ ˈblast How to pronounce blast (audio) \

Kids Definition of blast

 (Entry 1 of 2)

1 : the sound made by a wind instrument the blast of a whistle
3 : a strong gust of wind icy blasts of winter
4 : a stream of air or gas forced through an opening
5 : a very enjoyable experience The party was a blast.


blasted; blasting

Kids Definition of blast (Entry 2 of 2)

1 : to break to pieces by an explosion : shatter blast rock
2 : to hit with great force He blasted a home run.
4 : to hit (someone or something) with something (as air or water) that is moving forcefully She blasted us with water from the hose.
5 : to make a loud unpleasant sound a television blasting
6 : to strongly criticize He was blasted for the mistake.
blast off
: to take off The rocket blasted off.


\ ˈblast How to pronounce blast (audio) \

Medical Definition of blast

 (Entry 1 of 2)

1 : an explosion or violent detonation
2 : the violent effect produced in the vicinity of an explosion that consists of a wave of increased atmospheric pressure followed by a wave of decreased atmospheric pressure

Other Words from blast

blast verb



Medical Definition of blast (Entry 2 of 2)

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More from Merriam-Webster on blast

Thesaurus: All synonyms and antonyms for blast

Rhyming Dictionary: Words that rhyme with blast

Spanish Central: Translation of blast

Nglish: Translation of blast for Spanish Speakers

Britannica English: Translation of blast for Arabic Speakers Encyclopedia article about blast

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