- 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.
- something that weighs down or depresses.
- to plunge.
Origin of plummet
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for plummet
Wind chills will plummet to around -20ºF on Friday for Hartford, Providence, and western Massachusetts.36 Hours of Frozen Fury
January 2, 2014
Interest rates will soar, home values will plummet, stock markets will crash, and global economies will crater.Crying Wolf on Capitol Hill
October 11, 2013
But it would be the quickest way for her to plummet in the approval of the Burmese masses.Why Does Aung San Suu Kyi Not Speak Up?
July 1, 2013
Who heartlessly kicks Aziz Ansari into a hole, causing him to plummet to his death, instead of trying to save him?‘This Is the End’ Craziest Moments Quiz: Which Celeb Did What?
June 17, 2013
That strategy was revealed as a loser when print advertising began to plummet, and fall, and then fall again.The New York Times Co.’s Quarterly Earnings Report: News Isn’t Cheap
April 26, 2013
And love was the plummet dropped down into the deeps of him where like had never gone.White Fang
Oh, is there any plummet to sound the depths of a mother's love?Debts of Honor
No plummet ever sank so deep as Jamie sank the thoughts of those few months.Pirate Gold
Frederic Jesup Stimson
Her singles were perfectly round, and as flat at the top as if laid with a plummet.
This line, with a plummet, is mentioned by Lucilius; and was the sund-gyrd of the Anglo-Saxons.The Sailor's Word-Book
William Henry Smyth
- (intr) to drop down; plunge
- another word for plumb bob
- a lead plumb used by anglers to determine the depth of water
Word Origin and History for plummet
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.