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plummet

American  
[pluhm-it] / ˈplʌm ɪt /

noun

  1. Also called plumb bob.  a piece of lead or some other weight attached to a line, used for determining perpendicularity, for sounding, etc.; the bob of a plumb line.

  2. something that weighs down or depresses.


verb (used without object)

  1. to plunge.

    Synonyms:
    swoop, drop, dive, fall
plummet British  
/ ˈplʌmɪt /

verb

  1. (intr) to drop down; plunge

"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

noun

  1. another word for plumb bob

  2. a lead plumb used by anglers to determine the depth of water

"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

Other Word Forms

  • unplummeted adjective

Etymology

Origin of plummet

1350–1400; (noun) Middle English plommet < Middle French, diminutive of plomb lead; (v.) derivative of the noun See plumb, -et