Dictionary.com
Thesaurus.com
Synonyms

plummet

American  
[pluhm-it] / ˈplʌm ɪt /

noun

  • plummets
    plural
  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)

  • plummets,
    present (3rd person singular)
  • plummeted,
    past participle,  past
  • plummeting
    present participle
  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

Derived Forms

Inflected Forms

Nouns

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of plummet

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

Explanation

The verb plummet means "to drop sharply," like eagles that plummet toward earth, seeking prey, or school attendance that plummets when there is a flu outbreak. To correctly pronounce plummet, say "PLUH-met." This verb describes something that drops sharply or quickly, like a roller coaster that plummets down a hill, temperatures that plummet overnight, or sales of roses and candy that plummet after Valentine's Day. If something plummets, this doesn't mean it will stay down or low forever, just that it has experienced a sharp drop.

Keep Reading on Vocabulary.com

Vocabulary lists containing plummet

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

As exports plummet owing to a ban on U.S. wine and liquor, California lawmakers ask Quebec’s premier to sidestep the president, lift the prohibition and promote free trade.

From Los Angeles Times Aug. 2, 2026

Most comedies plummet halfway through their second act, when the jokes get stale, and studios demand some kind of emotional stakes.

From Salon Jul. 12, 2026

Your core temperature continues to plummet because the chilled blood from your extremities returns to your heart.

From The Wall Street Journal Jul. 6, 2026

But it is having a devastating effect on rural junior schools - and Kaliluni Primary is one of more than 2,000 across the East African nation now facing possible closure as enrolment numbers plummet.

From BBC Jul. 4, 2026

All hope that this was merely an anomaly disappeared the next day, when the forces that had been battering the nation’s economy erupted in a panic on Wall Street that caused stock prices to plummet.

From "The Devil in the White City" by Erik Larson

If we look at matches against modern-day heavyweights Australia and India, Root plummets down the list even further - down in 10th, with twice as many losses as wins.

From BBC Aug. 17, 2026

She doesn’t need the imprimatur of an established brand to maintain an audience; as trust in institutions plummets, such affiliations can even be a turnoff.

From Slate May 6, 2026

Indeed, once m’lord activates Infinity Mode, range plummets below 200 miles.

From The Wall Street Journal Apr. 4, 2026

But the questions the film confronts the viewer with, and the depths of American darkness it plummets to, are brash and critical.

From Salon Apr. 3, 2026

My heart leaps and then plummets when I see Molly hobble across the dormitory, her nose purple between strips of medical tape.

From "Divergent" by Veronica Roth

According to an annual government report, the number of wiretaps obtained by DHS — often to investigate drug trafficking — plummeted to 23 in 2025, from 133 the previous year.

From Salon Aug. 15, 2026

This past week alone, Chief Executive Elon Musk watched as its shares plummeted almost 14% in one day—which wasn’t even the worst performance in SpaceX’s short tenure as a publicly traded company.

From The Wall Street Journal Aug. 9, 2026

His ratings plummeted further with a number of big-name players leaving on free transfers, including England duo Alessia Russo and Mary Earps, as well as Batlle.

From BBC Aug. 3, 2026

Public support for a total ban on handguns in the home had plummeted.

From Slate Aug. 3, 2026

Two bosslings and a hullbeast thundered up the street, and my heart plummeted.

From "Tristan Strong Punches a Hole in the Sky" by Kwame Mbalia

Each attempt went bust when global economic downturns cratered the semiconductor market and sent chip prices plummeting.

From MarketWatch Jul. 18, 2026

Beijing, as we see, has put itself in the social-engineering business again, trying to hike its plummeting population numbers.

From The Wall Street Journal Jul. 16, 2026

And later: why Bitcoin’s plummeting price is costing Eric Trump hundreds of million of dollars.

From Slate Jul. 11, 2026

Two pit stops followed in quick succession, plummeting the Italian down the field.

From BBC Jul. 5, 2026

Down went the robot, plummeting into the treetops below.

From "The Wild Robot" by Peter Brown

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training