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blow up

phrasal verb · blow-up noun · blow-up adjective

Formsblows up, blowing up, blew up, blown up

27 meanings of blow up

Practice

  1. 1
    explodephrasal verbfigurativelyintransitive
    To explode, or to be destroyed when something explodes.

    The old gas tank could blow up if it gets too hot.

    A truck full of fuel blew up on the highway last night.

    Similarexplode, burst, detonate

  2. 2
    explodephrasal verbfigurativelytransitive
    To make something explode, or to destroy, hurt, or kill with an explosion.

    Workers will blow up the old factory chimney on Sunday morning.

    The bad guy in the movie wants to blow up the city's power plant.

    Similarbomb, explode

    Note
  3. 3
    fill with airphrasal verbtransitive
    To fill something with air, by blowing into it or with a pump.

    Can you help me blow up the balloons for the party?

    He used a pump to blow up his bike tires.

    Similarinflate

    Oppositedeflate

    Note
  4. 4
    enlarge (photo)phrasal verbtransitive
    To make something bigger, like a photo, or to zoom in on it.

    Can you blow up this photo so I can read the sign?

    She blew up the map on her phone to find our street.

    Similarenlarge, magnify

    Oppositereduce, shrink

  5. 5
    get angryphrasal verbslangintransitive
    To suddenly become very angry and lose control of your feelings.

    My brother blew up at me for using his phone.

    Try to stay calm and don't blow up when you hear the news.

    Similarexplode, erupt, snap

    Note
  6. 6
    become famousphrasal verbslangintransitive
    To quickly become popular with a lot of people, almost overnight.

    Her funny videos blew up after one got millions of views.

    I think this song is going to blow up this summer.

    Note
  7. 7
    flood with messagesphrasal verbslangtransitive
    To send so many calls or messages to someone's phone that it stops working for a while or annoys them.

    Please stop blowing up my phone. I'll call you back after class.

    My friends blow up my phone every time our team wins.

    Similaroverload

    Note
  8. 8
    flood with messagesphrasal verbslangintransitive
    Of a phone, to get so many calls or messages that it is hard to use or very annoying.

    My phone started blowing up as soon as the test scores came out.

    Turn off the group chat, or your phone will blow up all night.

    Note
  9. 9
    explosionnoun · blow-upcolloquialcountable
    A sudden explosion, either a real one or a sudden burst of anger.

    After the big blow-up at dinner, nobody spoke for an hour.

    The blow-up at the fireworks factory broke windows across town.

    Similaroutburst, explosion, blast

    Note
  10. 10
    bigger copynoun · blow-upcolloquialcountable
    A bigger copy of something, such as a photo.

    We put a blow-up of the class photo on the wall.

    The teacher made blow-ups of the map so everyone could see it.

    Similarenlargement

Practice

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Origins

Meanings 1–8, 12–27

From Middle English, made from blow + up.

Meanings 9–11

From the verb blow up.