1 breathe, puff, exhale; expel:
If the crystals turn green when you blow into the tube, it means that you've had too much to drink. Blow some air into the balloon.
2 waft, puff, whistle, whine, blast:
An icy wind blew through the cracks in the windows.
3 Colloq bungle, botch, make a mess of, muff, mismanage, Colloq screw up, mess up, fluff, bugger up, Taboo fuck up:
It was my last chance to win and I blew it.
4 Colloq spend, lavish, squander, waste, throw out or away:
She blew hundreds on that dress and now she won't wear it.
5 short-circuit, burn out:
All the fuses blew when I turned on the electric heater.
6 blow hot and cold. vacillate, hesitate, dither, Colloq shilly-shally:
The sales manager has been blowing hot and cold over my proposal for a month now.
7 blow out.
I blew out all the candles in one breath. The match blew out in the wind.
(b) explode, burst:
One of my tyres blew out on the way over here.
(c) short-circuit, burn out:
The lights blew out during the storm.
8 blow up.
(a) become furious or angry or enraged, flare up, lose one's temper, Slang blow one's top or US also stack, flip one's lid:
She really blew up when I said I was going to the pub.
(b) explode, burst, shatter, Colloq bust; detonate, dynamite, destroy, blast:
The bridge blew up with a roar. Demolition experts will blow up the dam.
(c) enlarge, inflate, embroider, magnify, expand, exaggerate, overstate:
The tabloid press has blown up the story out of all proportion.
(d) enlarge, magnify, amplify, expand, increase:
Can you blow up just this corner of the photograph?
(e) inflate; distend, swell:
We were busy blowing up balloons for the party.
9 gale, storm, tempest, whirlwind, tornado, cyclone, hurricane, typhoon, north-easter, nor'easter:
We can expect a big blow tonight - winds of gale force, they say.
10 stroke, punch, clout, whack, hit, knock, thump, thwack, Colloq wallop:
He was felled by a blow to the chin in the fourth round.
2 shock, surprise, bombshell, jolt, bolt from the blue, revelation:
It came as a blow to learn that she was leaving in a month.