\ 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 email) 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 noun a 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

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. See More
Recent Examples on the Web: Noun Which is a good thing, because the blast of radiation from a nearby supernova would be devastating. Dan Falk, Smithsonian Magazine, 2 Aug. 2022 In 2016, while traveling in Zambia, the two were packing up to go back to the U.S., when Bianca was killed by a shotgun blast. Elisabeth Garber-paul, Rolling Stone, 1 Aug. 2022 The blast is the latest in a series of mysterious explosions at weapons and armaments facilities in Bulgaria and the Czech Republic over the past more than 10 years. Georgi Kantchev, WSJ, 1 Aug. 2022 Twitter is offering users a blast from the past with an experimental new Status feature. Nathaniel Mott, PCMAG, 28 July 2022 In fact, wearable air conditioners (also known as portable neck fans) are the best way to stay cool right now, as these devices give you a continuous blast of cool air all around your neck and head. John Thompson, Men's Health, 26 July 2022 When ash from the Camp Fire rained down 175 miles away in San Francisco—a city that normally enjoys fresh, seaside air—dermatology researchers wondered whether the sudden blast of sooty air would have an impact on skin. Ula Chrobak, Outside Online, 20 July 2022 This tincture starts with broad spectrum CBD oil, then adds the superfood blast of camu camu, an Amazonian berry chock full of vitamin C and other nutrients. Michael Wright | For Cbdfx, The Salt Lake Tribune, 15 July 2022 The cornea in her surviving eye was pitted by the blast, causing a kind of distorted vision that can’t be fixed with glasses. Jerry Adler, Good Housekeeping, 14 July 2022 Recent Examples on the Web: Verb SpaceX moved closer to trying to blast its massive Starship vehicle into orbit, after U.S. aviation regulators concluded that the company’s plans wouldn’t have a major environmental impact near its South Texas launch site. Micah Maidenberg, WSJ, 13 June 2022 The Twitter account of digital artist Beeple, who last year helped the non-fungible token (NFT) craze to blast into the stratosphere with his record-breaking $69 million NFT sale, was hacked over the weekend and used to promote a crypto scam. Billy Bambrough, Forbes, 23 May 2022 Lake is the odds-on favorite for the gubernatorial nod, but Robson has seen a surge in polling in recent weeks with former Arizona Rep. Matt Salmon dropping out of the race to back her and blast Lake. Libby Cathey, ABC News, 25 July 2022 As the surge of water approached New Orleans, officials received permission to travel downstream with dynamite and blast a hole in the Mississippi River levee, which had grown so big that it was now seen as a problem. Boyce Upholt, Wired, 23 July 2022 The home opener saw Morgan rake the ball from a Gotham defender, then legally body her aside and blast her third goal of four that night. Tom Krasovic, San Diego Union-Tribune, 14 July 2022 Greenwich fundraiser Leora Levy, a conservative who is running in the Aug. 9 primary for U.S. Senate, was the first prominent candidate to recently blast the idea, landing her an interview with anchor Greg Kelly on Newsmax. Christopher Keating, Hartford Courant, 9 June 2022 The war has seen relatively few infantry engagements or tank-on-tank battles; Russia, rather, is concentrating overwhelming artillery power on relatively small areas to blast its way forward in a path of grave destruction. Anchorage Daily News, 4 June 2022 The war has seen relatively few infantry engagements or tank-on-tank battles; Russia, rather, is concentrating overwhelming artillery power on relatively small areas to blast its way forward in a path of grave destruction. Paul Sonne, Washington Post, 4 June 2022 See More

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.

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

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Last Updated

9 Aug 2022

Cite this Entry

“Blast.” Dictionary, Merriam-Webster, Accessed 16 Aug. 2022.

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More Definitions for blast


\ 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)

More from Merriam-Webster on blast

Nglish: Translation of blast for Spanish Speakers

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


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