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See more synonyms for plummet on Thesaurus.com
  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.
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verb (used without object)
  1. to plunge.
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Origin of plummet

1350–1400; (noun) Middle English plommet < Middle French, diminutive of plomb lead; (v.) derivative of the noun See plumb, -et
Related formsun·plum·met·ed, adjective


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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Examples from the Web for plummeted

Contemporary Examples

Historical Examples

  • Even when the price had plummeted to a penny a pound the planters were not discouraged from planting.

  • The bottle fell like a stone, plummeted straight down and crashed into a million fragments on the floor of the satellite.

    The Star Lord

    Boyd Ellanby

  • He ripped himself out of the harness and plummeted down the last ten feet, his body driving deep into the icy cold water.

    A Yankee Flier with the R.A.F.

    Rutherford G. Montgomery

  • Between the cars that plummeted 191 feet to the sea and the people drowned in the trains, the deaths were mounting.

    Little Brother

    Cory Doctorow

  • White Bear heard an amazed murmur from the crowd, and he himself felt his heart drop as if he plummeted unaware into a deep pit.


    Robert Shea

British Dictionary definitions for plummeted


verb -mets, -meting or -meted
  1. (intr) to drop down; plunge
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  1. another word for plumb bob
  2. a lead plumb used by anglers to determine the depth of water
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Word Origin

C14: from Old French plommet ball of lead, from plomb lead, from Latin plumbum
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 plummeted



late 14c., "ball of lead, plumb of a bob-line," from Old French plomet "graphite, lead; plummet, sounding lead," diminutive of plom "sounding lead" (see plumb (n.)).

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1620s, "to fathom, take soundings," from plummet (n.). Meaning "to fall rapidly" first recorded 1933, perhaps originally among aviators. Related: Plummeted; plummeting.

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Online Etymology Dictionary, © 2010 Douglas Harper