See more synonyms for plummet on
  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.

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

Synonyms for plummet

See more synonyms for on Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for plummeting

Contemporary Examples of plummeting

Historical Examples of plummeting

  • Keeping his eyes glued on the plummeting altimeter, he got his left foot up and kicked out the side window.

    Beyond The Thunder

    H. B. Hickey

  • Stan opened up and saw an aileron flutter away from the plummeting fighter.

    A Yankee Flier with the R.A.F.

    Rutherford G. Montgomery

  • The gunners on board the battleship were taking notice and frantically trying to swing guns to bear upon the plummeting Hawk.

    A Yankee Flier with the R.A.F.

    Rutherford G. Montgomery

  • Stan sucked in a deep breath and looked down at the plummeting Heinkel.

    A Yankee Flier with the R.A.F.

    Rutherford G. Montgomery

  • She felt like a bird in flight suddenly struck by an arrow and plummeting to earth.

British Dictionary definitions for plummeting


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

Word Origin for plummet

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 plummeting



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.)).



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

Online Etymology Dictionary, © 2010 Douglas Harper