1

blast

play
noun \ˈblast\

Definition of blast

  1. 1a :  a violent gust of wind a cold blast of airb :  the effect or accompaniment (such as sleet) of such a gust a blast of freezing rain

  2. 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. 3 :  something resembling a gust of wind: such asa :  a stream of air or gas forced through a holeb :  a vehement expression of feeling … let out a great blast of mirth … — Marcia Davenport a blast of angerc :  the continuous blowing to which a charge of ore or metal is subjected in a blast furnace

  4. 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 … — Shakespeareb botany :  a disease of plants marked by the formation of destructive lesions on leaves and inflorescences

  5. 5a :  an explosion or violent detonation The blast killed eight people. a shotgun blastb :  the shock wave of an explosion felt the blast from several miles awayc sports :  a forceful hit (as in baseball) or shot (as in soccer or golf); especially :  home run

  6. 6 :  speed, capacity, operation turned the water on full blast go full blast

  7. 7 :  an enjoyably exciting experience, occasion, or event I had a blast. Their wedding was a blast.; especially :  party

  8. 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

  1. :  a striking reminder of an earlier time :  something that excites nostalgia This picture is a real blast from the past.

Examples of blast in a Sentence

  1. She opened the door and felt a cold blast.

  2. He was hit by a blast of water from the hose.

  3. The driver gave a long blast on his horn.

  4. the blast of the factory whistle

  5. The bomb blast killed eight people.

Recent Examples of blast from the Web

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.

Origin and Etymology of blast

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


2

blast

verb

Definition of blast

  1. intransitive verb
  2. 1 :  blare music blasting from the radio

  3. 2 :  to make a vigorous attack blasting away at her opponent

  4. 3a :  to use an explosive blast through the wallb :  shoot They walked in and started blasting.

  5. 4 :  to hit a golf ball out of a sand trap with explosive force

  6. 5 :  to proceed rapidly or aggressively blasting down the ski slope

  7. transitive verb
  8. 1a :  to injure by or as if by the action of wind young crops being blasted by the hot dry windb :  blight The entire crop was blasted by fungus. The injury blasted her dreams of winning a gold medal.

  9. 2a :  to shatter by or as if by an explosive blasting out nearly all of the building's windowsb :  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 Davisc :  shoot The gunman blasted him down.

  10. 3 :  to attack vigorously blasting their opponents in the media

  11. 4 :  to cause to blast off will blast themselves from the moon's surface

  12. 5 :  to hit vigorously and effectively blasted a home run

  13. 6 :  to play loudly blasting rock music on the stereo

blaster

noun

Examples of blast in a Sentence

  1. Workers were blasting rock where the new highway will go.

  2. The rock has been blasted away.

  3. The explosion blasted a hole in the side of the ship.

  4. The mayor was blasted by the local press.

  5. The judge blasted the lawyers for delaying the trial.

  6. Human rights groups have blasted the government for its treatment of political prisoners.

  7. He blasted his rival with a pistol.

  8. A gunship blasted enemy headquarters.

  9. They blasted the enemy plane out of the sky.

Recent Examples of blast from the Web

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.

Origin and Etymology of blast

see 1blast


blast-

combining form
variants: or

blasto-

Definition of blast-

  1. :  bud :  budding :  germ blastodisc blastula

Origin and Etymology of blast-

German, from Greek, from blastos


-blast

noun combining form \ˌblast\

Definition of -blast

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

Origin and Etymology of -blast

New Latin -blastus, from Greek blastos bud, shoot, from blastanein to bud, sprout


BLAST Defined for English Language Learners

blast

play
noun

Definition of blast for English Language Learners

  • : 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

blast

verb

Definition of blast for English Language Learners

  • : 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


BLAST Defined for Kids

1

blast

play
noun \ˈblast\

Definition of blast for Students

  1. 1 :  the sound made by a wind instrument the blast of a whistle

  2. 2 :  explosion 1

  3. 3 :  a strong gust of wind icy blasts of winter

  4. 4 :  a stream of air or gas forced through an opening

  5. 5 :  a very enjoyable experience The party was a blast.


2

blast

play
verb

Definition of blast for Students

blasted

;

blasting

  1. 1 :  to break to pieces by an explosion :  shatter blast rock

  2. 2 :  to hit with great force He blasted a home run.

  3. 3 1shoot 2

  4. 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. 5 :  to make a loud unpleasant sound a television blasting

  6. 6 :  to strongly criticize He was blasted for the mistake.

blast off

  1. :  to take off The rocket blasted off.


Medical Dictionary

1

blast

play
noun \ˈblast\

Medical Definition of blast

  1. 1:  an explosion or violent detonation

  2. 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

blast

verb

2

blast

noun

Medical Definition of blast



Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to counsel, recommend, or inform

Get Word of the Day daily email!

Test Your Vocabulary

The Emoji Quiz

  • emoji-the-quiz
  • What phase of the moon is this: 🌖 ?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!