plummet

1 of 2

verb

plum·​met ˈplə-mət How to pronounce plummet (audio)
plummeted; plummeting; plummets
Synonyms of plummetnext

intransitive verb

1
: to fall perpendicularly
birds plummeted down
2
: to drop sharply and abruptly
prices plummeted

plummet

2 of 2

noun

1
: plumb
also : plumb line
2
: an abrupt drop : an instance of plummeting
a sharp plummet in prices
If in the final week of the season, the Mets were trying to stop a plummet off a cliff, they are now attempting to climb out of a dark, deep abyss …Judy Battista

Examples of plummet in a Sentence

Verb The acrobat plummeted into the net. The car plummeted to the bottom of the canyon. The satellite plummeted into the ocean. Stock prices plummeted 40 percent during the scandal. The TV show has plummeted in the ratings. Temperatures are expected to plummet this weekend. The town's population plummets when the students leave for the summer.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
Volunteers rescued the turtles along Cape Cod Bay after a blast of arctic air sent temperatures plummeting. Jenny Staletovich, Miami Herald, 31 Dec. 2025 Several good Samaritans quickly joined him, forming a human chain to stabilize the vehicle, which was wedged against a fallen tree — the only thing preventing it from plummeting down the mountainside. Dave Quinn, PEOPLE, 31 Dec. 2025
Noun
When anyone with a creative spark can orchestrate a cloud of AI agents to build prototypes, analyze markets, and test hypotheses, the cost of trying something new plummets. Erik Brynjolfsson, Time, 2 Jan. 2026 Quite a plummet, and some raw numbers reveal a lot about its dynamics. Kansas City Star, 1 Jan. 2026 See All Example Sentences for plummet

Word History

Etymology

Noun

Middle English plomet, from Anglo-French plumet, plomet, from plum lead, lead weight — more at plumb

First Known Use

Verb

1845, in the meaning defined at sense 2

Noun

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of plummet was in the 14th century

Browse Nearby Words

Cite this Entry

“Plummet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plummet. Accessed 5 Jan. 2026.

Kids Definition

plummet

1 of 2 noun
plum·​met ˈpləm-ət How to pronounce plummet (audio)

plummet

2 of 2 verb
: to fall straight down : plunge

More from Merriam-Webster on plummet

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