\ˈblast \

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 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


Definition of -blast (Entry 4 of 4)

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

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Other Words from blast


blaster noun

Examples of blast in a Sentence


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.


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 blast happened after police got a call at 6:30 p.m. that construction workers working on a downtown street had punctured a WE Energies natural gas line. Todd Richmond,, "Firefighter killed in gas explosion, fire near Madison," 12 July 2018 The blast happened after police got a call at 6:30 p.m. that construction workers on a downtown street had punctured a WE Energies natural gas line. Washington Post, "First black female mayor of San Francisco is sworn in," 12 July 2018 People who survive fireworks blasts, such as a Pennsylvania woman who lost an eye in a 2000 accident, can suffer effects long afterward. Tom Avril,, "Fourth of July fireworks: Be wary. Even sparklers can kill," 30 June 2018 Residents near the railroad tracks of coastal Oceanside may at last get some relief from the frequent, loud blasts of train horns as early as next spring, city officials said. Phil Diehl,, "Railroad 'quiet zone' on target for 2019 finish," 18 June 2018 The two-run blast in the seventh inning — his 12th homer of the season — proved to be the difference in the Mariners’ 5-4 win over the Rays on Sunday afternoon. Ryan Divish, The Seattle Times, "One-run wonders: Mariners eke out another as Haniger nails final out at the plate," 10 June 2018 The blast happened Wednesday morning in Tultepec, just north of Mexico City. Fox News, "Fireworks blast kills 5, injures 8 at home near Mexico City," 6 June 2018 Three days after the volcano’s first eruption, search, rescue and recovery efforts still remain in effect for the millions of people affected by the blasts, with many of the small towns surrounding Fuego covered in thick ash and flowing debris. Dave Quinn,, "Guatemala Volcano Explodes Again as Death Toll Rises to 75 with Nearly 200 Still Missing," 6 June 2018 At least nine more people were injured in the blast, which targeted Afghanistan's Ullema Council. Ehsan Popalzai And Hilary Clarke, CNN, "Bomber attacks meeting of Islamic scholars in Afghanistan," 4 June 2018

Recent Examples on the Web: Verb

Palin, the former vice presidential candidate, blasted Cohen on Tuesday for duping her into doing an interview. Ryan Gaydos, Fox News, "Sacha Baron Cohen reportedly dupes Ted Koppel, Roy Moore, Joe Arpaio; responds to Palin criticism," 13 July 2018 Howard Durdle, understandably, didn’t take kindly to that and blasted the company on social media, where the letters quickly went viral. Chris Morris, Fortune, "PayPal Threatened Legal Action Against a Customer for Dying—a 'Breach' of Its Rules," 11 July 2018 On Monday, detainees’ families, lawyers and advocates waited for visits and court appearances near a Coke machine as a TV blasted World Cup Soccer. Jennifer Epstein,, "Trump Policy Sows Confusion and Anxiety Across the Mexican Border," 28 June 2018 Reporters wrestled past him, brandishing cameras and blasting flash powder in his face. Simon Rich, The New Yorker, "Edison Labs, 1891," 18 June 2018 Pickford scrambles to blast it forward and is lucky Rakitic isn’t there to receive. Rory Smith, New York Times, "Croatia Digs Deeper, Burying England’s World Cup Dreams," 12 July 2018 Hammel was blasted for eight earned runs in just two innings, posting the shortest start of his Royals career in a 10-5 home loss to the Boston Red Sox. Jesse Newell, kansascity, "Why Hammel's struggles — including in a 10-5 loss — come at a bad time for the Royals," 6 July 2018 The poll, based on a survey of 548 experts on women’s issues, ignited an immediate firestorm of controversy on Indian social media, where critics blasted it as based on opinion, not facts. Annie Gowen,, "Report ranks India as most dangerous country for women, reigniting a fierce debate," 27 June 2018 Cuede was the first to the loose ball, blasting it with her right foot into the back of a wide-open net. Milwaukee Journal Sentinel, "WIAA soccer: An incredible state title run ends by the narrowest margin," 16 June 2018

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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Statistics for blast

Last Updated

20 Oct 2018

Look-up Popularity

Time Traveler for blast

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

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More Definitions for blast



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 \

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 \

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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Comments on blast

What made you want to look up blast? Please tell us where you read or heard it (including the quote, if possible).


exaggeratedly or childishly emotional

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