Definitions of plunger
  1. noun
    mechanical device that has a plunging or thrusting motion
    synonyms: piston
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    type of:
    mechanical device
    mechanism consisting of a device that works on mechanical principles
  2. noun
    hand tool consisting of a stick with a rubber suction cup at one end; used to clean clogged drains
    synonyms: plumber's helper
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    type of:
    hand tool
    a tool used with workers' hands
  3. noun
    someone who dives (into water)
    synonyms: diver
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    type of:
    a trained athlete who participates in swimming meets
  4. noun
    someone who risks losses for the possibility of considerable gains
    synonyms: speculator
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    someone who counterbalances one transaction (as a bet) against another in order to protect against loss
    a speculator who trades aggressively on stock or commodity markets
    someone who buys something and resells it at a price far above the initial cost
    venture capitalist
    a speculator who makes money available for innovative projects (especially in high technology)
    ticket tout, tout
    someone who buys tickets to an event in order to resell them at a profit
    type of:
    adventurer, venturer
    a person who enjoys taking risks
    a person who wagers money on the outcome of games or sporting events
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