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See more synonyms for bleeder on Thesaurus.com
  1. a person who bleeds abnormally because of low clotting rate; hemophiliac.
  2. a person or animal that bleeds easily, especially an athlete or racehorse.
  3. a person who draws blood from a sick person; phlebotomist.
  4. Slang. a person who drains another of money, resources, etc.; parasite or usurer.
  5. Metallurgy. an ingot or casting from which some metal has escaped.
  6. Also called bleeder resistor. Electricity. a resistor that is connected across a power supply for voltage regulation and to dissipate the charge remaining in capacitors when the power is discontinued.
  7. Also called bleeder valve. a valve or opening for draining a tank, tubing, etc.
  8. British Slang.
    1. a despicable person.
    2. a person, especially a man; fellow.
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Origin of bleeder

First recorded in 1780–90; bleed + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for bleeder

Historical Examples

  • "A quitter will quit and a bleeder will bleed," said the Kid sententiously.

    Old Man Curry

    Charles E. (Charles Emmett) Van Loan

  • For instance, Miss A., herself not a bleeder, comes from a bleeder-family.


    William J. Robinson

  • The diagnosis of bleeder's knee is to be made from the history.

  • A poet with revolutionary leanings, all heart, a bleeder and a believer.

    The Mighty Dead

    William Campbell Gault

  • A voice from a far corner called out, "Oui, the bleeder is in the end dugout, old cock!"

British Dictionary definitions for bleeder


  1. slang
    1. derogatorya despicable persona rotten bleeder
    2. any person; fellowwhere's the bleeder gone?
  2. pathol a nontechnical name for a haemophiliac
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for bleeder


1756, "one who lets blood," agent noun from bleed (v.). As "one with hemophilia," from 1803.

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Online Etymology Dictionary, © 2010 Douglas Harper

bleeder in Medicine


  1. A person, such as a hemophiliac, who bleeds freely or is subject to frequent hemorrhages.
  2. A blood vessel from which there is uncontrolled bleeding.
  3. A blood vessel severed by trauma or surgery that requires cautery or ligature to arrest the flow of blood.
  4. A person who draws blood from another; a phlebotomist.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.