\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 best horror is intelligently constructed, enough to keep viewers unnerved even after the adrenaline blast wears off. Verge Staff, The Verge, "Smart scares for smart people," 31 Oct. 2018 According to Russian media reports, the suspect posted a warning on an online anarchist messaging board a few minutes before the blast. Georgi Kantchev, WSJ, "Russia’s Security Agency Hit by Terrorist Attack," 31 Oct. 2018 The blast would break windows, and those standing near the glass might be killed by shards, or at least shed blood from myriad cuts. Alex Ward, Vox, "This is exactly how a nuclear war would kill you," 19 Oct. 2018 Firefighters were battling flames for more than three hours after the blast, Konpacki said. Nicole Darrah, Fox News, "Wisconsin gas explosion levels Main Street buildings; firefighters, police officer reported injured," 2 Oct. 2018 The blast marked the second deadly bombing in less than a week. Antonio Olivo, Washington Post, "As former Pakistan leader returns to begin jail sentence, deadly bombing adds to ‘atmosphere of fear’," 13 July 2018 The blast drove in three runs, pushing his RBI total to 26 in 67 games with the Storm (43-49). Jeff Sanders,, "Jorge Ona's power down in Lake Elsinore," 13 July 2018 The blast rained debris up and down the street and leveled the Barr House, a tavern Barr owned. Todd Richmond,, "Communications subcontractor 'on site' ahead of fatal Wisconsin blast that killed firefighter, injured 11," 12 July 2018 The blast Tuesday killed firefighter Cory Barr and devastated the city’s downtown area. Milwaukee Journal Sentinel, "Subcontractor was ‘on site’ ahead of fatal Sun Prairie blast," 12 July 2018

Recent Examples on the Web: Verb

The deal has come under extra pressure since the Trump administration’s decision this spring to withdraw, a move the Europeans have blasted. Laurence Norman, WSJ, "Europeans Eye Sanctions on Iran Over Covert Activities," 1 Nov. 2018 Attendees got strut through the halls of Baxter only to have the lockers blast open. Gabe Bergado, Teen Vogue, "The "Chilling Adventures of Sabrina" Spellman House Was a Spooky Adventure Fit for Instagram," 26 Oct. 2018 Being able to walk around a gym untethered, all while blasting my own personal soundtrack, helps me feel more confident, keeps me focused on the task at hand, and prevents me from spiraling too far into my own head. Gray Chapman, SELF, "Here's How I Conquered Weight Room Anxiety," 8 Sep. 2018 Everything but the artists’ tools, canvasses and some of the paint is melted, scorched or blasted to pieces. Kevin Fagan,, "Wine Country artists find new life, inspiration in the wreckage of studios," 9 July 2018 Then, intense back-and-forth play until the mostly light blue and white striped crowd burst into tears as Manchester United defender Marcos Rojo blasts home the winner in the 86th minute – an entire nation removed from suicide watch. Steven Shundich,, "World Cup 2018: Dispatches from TML Mobster/Guest Hemingway in Russia, Episode 2," 4 July 2018 On Election Day, the Cambridge Analytica whistleblower is blasting Facebook for still not doing enough. Recode Staff, Recode, "Recode Daily: Democrats take the House, San Francisco votes for a homelessness tax on big business," 7 Nov. 2018 Willie Walsh, chief executive of British Airways parent International Consolidated Airlines Group SA, last week blasted aircraft and engine makers for failing to meet their commitments. Robert Wall, WSJ, "Airbus’s Big Problem: It Can’t Make Jets Fast Enough for Airlines," 31 Oct. 2018 Women on Twitter immediately blasted Kelly for her comments and shared how body-shaming did not give them positive and healthy results. Eileen Reslen, Town & Country, "Megyn Kelly's Most Controversial Moments Ever," 26 Oct. 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

1 Dec 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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More from Merriam-Webster on blast

Rhyming Dictionary: Words that rhyme with blast

Thesaurus: All synonyms and antonyms for 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

Comments on blast

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a soft lustrous wool fabric with mohair

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