noun blow·up \ ˈblō-ˌəp \

Definition of blowup

:a blowing up: such as
b :an outburst of temper

Examples of blowup in a Sentence

  1. The blowup of the photograph was easy to frame.

  2. The two of them had a big blowup about something trivial.

  3. The coach's latest blowup occurred when one of his players arrived late.

Recent Examples of blowup from the Web

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

First Known Use of blowup



adjective \ ˈblō-ˌəp \

Definition of blow-up

First Known Use of blow-up


blow up


Definition of blow up

transitive verb
1 :to build up or tout to an unreasonable extent
  • advertisers blowing up their products
2 :to rend apart, shatter, or destroy by explosion
3 :to fill up with a gas (such as air)
  • blow up a balloon
4 :to make a photographic enlargement of
5 :to bring into existence by blowing of wind
  • it may blow up a storm
intransitive verb
1 a :explode
b :to be disrupted or destroyed (as by explosion)
c :to lose self-control; especially :to become violently angry
2 :to become or come into being by or as if by blowing of wind
3 a :to become filled with a gas
b :to become expanded to unreasonable proportions

Examples of blow up in a Sentence

  1. she blew up at everybody after a very long and very bad day

  2. the building blew up because of a gas leak

First Known Use of blow up


blow up Synonyms

flare (up), flip (out) [slang], blow a gasket, blow one's cool, blow one's stack, blow one's top, fly into a rage, fly off the handle, forget oneself, go ballistic, have a fit, hit the ceiling, hit the roof, lose one's cool, lose one's temper
calm (down), simmer down
Related Words
anger, fulminate, rage, rant, rave, snap, snarl, sputter, storm, tee off, vent, vituperate; bristle, burn, foam, fume, glare, glower, seethe, sizzle, smolder (or smoulder), steam, warm; burst, explode, flare (out), flash, inflame (also enflame), madden
Near Antonyms
chill out [slang], cool (off or down), relax; hush, quiet (down)

BLOWUP Defined for English Language Learners



Definition of blowup for English Language Learners

  • : a photograph that has been made larger

  • : an angry argument

  • : an occurrence in which someone becomes very angry : an angry outburst

Seen and Heard

What made you want to look up blowup? 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!


cautious about doing something

Get Word of the Day daily email!

Test Your Vocabulary

Forms of Government Quiz

  • knupfer-painting-solon-before-croesus
  • A gerontocracy is rule by:
True or False

Test your knowledge - and maybe learn something along the way.


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


Love words? Need even more definitions?

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