Synonyms of 'blow up'
1 (phrasal verb)
to explode or cause to explodeThe bomb blew up over the countryside.
They were clearing up when the second bomb exploded.
Every now and then you hear some bombs bursting.
A gun went off somewhere in the distance.
Safety glass won't shatter if it's broken.
The volcano erupted in 1980.
an explosive device which detonated last night
2 (phrasal verb)
to lose one's temper(informal) I'm sorry I blew up at you.
lose your temper,
He raged at me for being late.
lose it (informal),
crack up (informal),
He's going to crack up if he doesn't take a break soon.
see red (informal),
I didn't mean to break his nose. I just saw red.
lose the plot (informal),
go ballistic (slang),
hit the roof (informal),
blow a fuse (slang),
fly off the handle (informal),
He flew off the handle at the slightest thing.
go off the deep end (informal),
wig out (slang),
go up the wall (slang),
go crook (Australian, New Zealand, slang),
flip your lid (slang),
blow your top
I just asked him why he was late and he blew his top.
3 (phrasal verb)
to come into existence with sudden forceThe scandal blew up into a major political furore.
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in the sense of blow your top
to lose one's temperI just asked him why he was late and he blew his top.
in the sense of broaden
to make or become broad or broaderThe smile broadened to a grin.
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Thesaurus for blow up from the Collins English Thesaurus