if a serious argument or problem blows up, it begins suddenly
Example: A political row has blown up over the minister’s remarks.
if a storm or strong wind blows up, it suddenly starts
Example: Amelia loved Freddie's cottage and was delighted with the sleeping arrangements, especially her blow up bouncy bed.
if something blows up, or if someone blows something up, it explodes and is destroyed
Example: She could have been a blow-up doll for all she mattered to him.
if your plans blow up in your face, they do not happen as you expected and cause a lot of problems
Example: She just blew up at me.
to fill something with air or gas
Example: Surely the first thing they did was to blow up the relay stations.
to make a photograph bigger
Example: Terrorists had threatened to blow up the embassy.
to suddenly become angry and shout at someone
Example: The boiler blew up, wrecking the whole house.
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