From WordNet (r) 3.0 (2006) [wn]:
blow up
v 1: cause to burst with a violent release of energy; "We
exploded the nuclear bomb" [syn: {explode}, {detonate},
{blow up}, {set off}]
2: make large; "blow up an image" [syn: {blow up}, {enlarge},
{magnify}] [ant: {reduce}, {scale down}]
3: 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" [syn: {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}]
4: add details to [syn: {embroider}, {pad}, {lard}, {embellish},
{aggrandize}, {aggrandise}, {blow up}, {dramatize},
{dramatise}]
5: burst and release energy as through a violent chemical or
physical reaction;"the bomb detonated at noon"; "The Molotov
cocktail exploded" [syn: {detonate}, {explode}, {blow up}]
6: exaggerate or make bigger; "The charges were inflated" [syn:
{inflate}, {blow up}, {expand}, {amplify}]
7: fill with gas or air; "inflate a balloons" [syn: {inflate},
{blow up}] [ant: {deflate}]
8: to swell or cause to enlarge, "Her faced puffed up from the
drugs"; "puffed out chests" [syn: {puff}, {puff up}, {blow
up}, {puff out}]
From The Jargon File (version 4.4.7, 29 Dec 2003) [jargon]:
blow up
vi.
1. [scientific computation] To become unstable. Suggests that the
computation is diverging so rapidly that it will soon overflow or at least
go {nonlinear}.
2. Syn. {blow out}.
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