1. (verb)explode, detonate, blow up, set off cause to burst with a violent release of energy "We exploded the nuclear bomb"
2. (verb)blow up, enlarge, magnify makelarge "blow up an image"
3. (verb)flip one's lid, blow up, throw a fit, hit the roof, hit the ceiling, have kittens, have a fit, combust, blow one's stack, fly off the handle, flip one's wig, lose one's temper, blow a fuse, go ballistic get very angry and fly into a rage "The professor combusted when the student didn't know the answer to a very elementary question"; "Spam makes me go ballistic"
5. (verb)detonate, explode, blow up burst and release energy as through a violent chemical or physical reaction;"the bomb detonated at noon" "The Molotov cocktail exploded"
6. (verb)inflate, blow up, expand, amplify exaggerate or make bigger "The charges were inflated"
7. (verb)inflate, blow up fill with gas or air "inflate a balloons"
8. (verb)puff, puff up, blow up, puff out to swell or cause to enlarge, "Her faced puffed up from the drugs" "puffed out chests"
1. (verb)blow up to explode or cause to explode The building blew up.; They blew the car up.
2. blow up to fill with air to blow up some balloons
3. blow up to suddenly get angry; = lose your temper He blows up over the smallest things.
Definitions of 'blow up'
The New Hacker's Dictionary
1. blow up 1. [scientific computation] To become unstable. Suggests that the
computation is diverging so rapidly that it will soon overflow or at least
go nonlinear.
Definitions of blow up 
Afrikaans: ontplof
Arabic: يَنْفَجِرُ، يَتَفَجَّرُ
Bulgarian: взривявам
Brazilian: explodir
Czech: vyhodit/vyletět do vzduch
German: in die Luft fliegen
Danish: sprænge i luften
Greek: ανατινάζω, εκρήγνυμαι
Spanish: volar, explotar, estallar
Estonian: õhku lendama, õhku laskma
Farsi: منفجر شدن
Finnish: räjähtää palasiksi
French: sauter
Hebrew: לְהִתפּוֹצֵץ
Hindi: उड़ाना, उड़ना
Croatian: dignuti u zrak
Hungarian: felrobban(t)
Indonesian: meledakkan
Icelandic: springa (í loft upp)
Italian: esplodere, saltare in ari
Japanese: 爆破する
Korean: 폭파하다
Lithuanian: susprogti, susprogdinti
Latvian: uzspridzināt; uzsprāgt ga
Malay: diletupkan
Dutch: opblazen, ontploffen
Norwegian: sprenge i lufta/filler
Polish: wylecieć, wysadzić w powi
Persian: منفجر شدن
Pashto: چاودیدل
Portuguese: explodir
Romanian: a sări în aer
Russian: взрывать(ся)
Slovak: vyletieť / vyhodiť do vzd
Slovenian: razleteti se
Serbian: eksplodirati
Swedish: spränga[s] i luften
Thai: ระเบิดทำลาย
Turkish: patla(t)mak, havaya uç(ur
Taiwanese: (被)炸碎
Ukrainian: висаджувати в повітря; зл
Urdu: ٹکڑے ٹکڑے ہونا
Vietnamese: nổ tung
Chinese: 爆裂
