[bloh-awf, -of]


a current of escaping surplus steam, water, etc.: The safety valve released a violent blowoff from the furnace.
a device that permits and channels such a current.
Slang. a person who brags or boasts; a blow-hard.
a temporary, sudden surge, as in prices: The Federal Reserve Board's credit tightening could cause a blowoff in interest rates.

Nearby words

  1. blowing wound,
  2. blowiron,
  3. blowlamp,
  4. blown,
  5. blown-up,
  6. blowout,
  7. blowpipe,
  8. blowsy,
  9. blowtorch,
  10. blowtube

Origin of blowoff

First recorded in 1830–40; noun use of verb phrase blow off Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for blowoff

  • So far as I can tell, they're the weakest point, so if the mountain lets go, that is where the blowoff will come.

    The Flaming Mountain|Harold Leland Goodwin