Etymology: Middle English, from Old English blāwan; akin to Old High German blāen to blow, Latin flare, Greek phallos penis
Date: before 12th century
intransitive verb1 aof air(1): to be in motion <a breeze blew gently>(2): to move with speed or force <the wind was blowing>b: to move or run quickly <the linebacker blew past the tackle> 2: to send forth a current of air or other gas <don't blow on your soup> 3 a: to make a sound by or as if by blowing bof a wind instrument:sound 4 a:boastb: to talk windily 5 a:pant, gasp<the horse blew heavily>bof a cetacean: to eject moisture-laden air from the lungs through the blowhole 6: to move or be carried by or as if by wind <just blew into town> 7 a:erupt, explodebof an electric fuse: to melt when overloaded —often used with outcof a tire: to release the contained air through a spontaneous rupture —usually used with outtransitive verb1 a: to set (gas or vapor) in motion <the fan blew hot air on us>b: to act on with a current of gas or vapor <the breeze blew my hair dry> 2 a: to play or sound on (a wind instrument) b: to play (as a note) on a wind instrument 3 a: to spread by report bpast participleblowed\ˈblōd\:damn<blow the expense> 4 a: to drive with a current of gas or vapor <the storm blew the boat off course>b: to clear of contents by forcible passage of a current of air <blow your nose>c: to project (a gesture or sound made with the mouth) by blowing <blew him a kiss> 5 a: to distend with or as if with gas b: to produce or shape by the action of blown or injected air <blowing bubbles> 6of insects: to deposit eggs or larvae on or in 7: to shatter, burst, or destroy by explosion <blow the safe open> 8 a: to put out of breath with exertion b: to let (as a horse) pause to catch the breath 9 a: to expend (as money) extravagantly b: to treat with unusual expenditure <I'll blow you to a steak> 10: to cause (a fuse) to blow 11: to rupture by too much pressure <blow a seal> 12 a:botch 1 <blew her lines>b: to fail to keep or hold <they blew a big lead> 13: to leave hurriedly <blew town> 14: to propel with great force or speed <blew a fastball by the batter>
— blow a gasket: to become enraged
— blow hot and cold: to be favorable at one moment and adverse the next
— blow off steam: to release pent-up emotions
— blow one's cool: to lose one's composure
— blow one's cover: to reveal one's real identity
— blow one's mind: to overwhelm one with wonder or bafflement
— blow one's top or blow one's stack1: to become violently angry 2: to go crazy
— blow smoke: to speak idly, misleadingly, or boastfully
— blow the whistle: to call public or official attention to something (as a wrongdoing) kept secret —usually used with on