Definition of blow :
1. A blossom; a flower; also, a state of blossoming; a mass of blossoms.
2. A blowing, esp., a violent blowing of the wind; a gale; as, a heavy blow came on, and the ship put back to port.
3. A forcible stroke with the hand, fist, or some instrument, as a rod, a club, an ax, or a sword.
4. A single heat or operation of the Bessemer converter.
5. A sudden or forcible act or effort; an assault.
6. An egg, or a larva, deposited by a fly on or in flesh, or the act of depositing it.
7. The act of forcing air from the mouth, or through or from some instrument; as, to give a hard blow on a whistle or horn; to give the fire a blow with the bellows.
8. The infliction of evil; a sudden calamity; something which produces mental, physical, or financial suffering or loss ( esp. when sudden); a buffet.
9. The spouting of a whale.
10. To be carried or moved by the wind; as, the dust blows in from the street.
11. To breathe hard or quick; to pant; to puff.
12. To burst, shatter, or destroy by an explosion; - usually with up, down, open, or similar adverb; as, to blow up a building.
13. To cause air to pass through by the action of the mouth, or otherwise; to cause to sound, as a wind instrument; as, to blow a trumpet; to blow an organ.
14. To cause to blossom; to put forth ( blossoms or flowers).
15. To clear of contents by forcing air through; as, to blow an egg; to blow one's nose.
16. To deposit eggs or larvae upon, or in ( meat, etc.).
17. To drive by a current air; to impel; as, the tempest blew the ship ashore.
18. To flower; to blossom; to bloom.
19. To force a current of air upon with the mouth, or by other means; as, to blow the fire.
20. To form by inflation; to swell by injecting air; as, to blow bubbles; to blow glass.
21. To inflate, as with pride; to puff up.
22. To produce a current of air; to move, as air, esp. to move rapidly or with power; as, the wind blows.
23. To put out of breath; to cause to blow from fatigue; as, to blow a horse.
24. To send forth a forcible current of air, as from the mouth or from a pair of bellows.
25. To sound on being blown into, as a trumpet.
26. To spout water, etc., from the blowholes, as a whale.
27. To spread by report; to publish; to disclose.
28. To talk loudly; to boast; to storm.
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blow (part of speech: verb)
boast (part of speech: verb)