plunged; plunging
Synonyms of plunge

transitive verb

1
: to cause to penetrate or enter quickly and forcibly into something
plunged the dagger
2
: to cause to enter a state or course of action usually suddenly, unexpectedly, or violently
plunged the nation into economic depression

intransitive verb

1
: to thrust or cast oneself into or as if into water
2
a
: to become pitched or thrown headlong or violently forward and downward
also : to move oneself in such a manner
plunged off the embankment
b
: to act with reckless haste : enter suddenly or unexpectedly
plunges into project after project
c
: to bet or gamble heavily and recklessly
3
: to descend or dip suddenly
the stock's value plunged

plunge

2 of 2

noun

: an act or instance of plunging : dive
also : swim
see also:

Synonyms of plunge

Examples of plunge in a Sentence

Verb Her car plunged off a bridge. The stock market plunged yesterday. The President's approval rating has plunged to 20 percent. The moose population has plunged in recent years. The rocky cliffs plunge into the swirling rapids below. The road plunges down the mountain. Noun Amazingly, the cat survived its plunge from the building's roof. Market analysts predicted a price plunge. The store experienced a sharp plunge in sales.
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
But the smoking gun was that the temperatures were also plunging deep underwater, at up to 1,000 meters below the surface. Frank Landymore, Futurism, 1 July 2026 The Kardashians star could be seen hugging True as the former basketball player—who wore a plunging black metallic shirt, black slacks, a shiny chain necklace, and black sunglasses—beamed at the camera, holding Tatum in his arms. Lara Walsh, InStyle, 1 July 2026
Noun
For fans, the first listen was like a hard-rock cold plunge. Kory Grow, Rolling Stone, 27 June 2026 When salt levels in your blood take a plunge, your cells swell up. Claire Cameron, Scientific American, 2 July 2026 See All Example Sentences for plunge

Word History

Etymology

Verb

Middle English, from Anglo-French plunger, from Vulgar Latin *plumbicare, from Latin plumbum lead

First Known Use

Verb

14th century, in the meaning defined at transitive sense 1

Noun

15th century, in the meaning defined above

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

Browse Nearby Words

Cite this Entry

“Plunge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plunge. Accessed 7 Jul. 2026.

Kids Definition

plunged; plunging
1
: to push or drive into something with force
plunged a knife into the pie
2
: to leap or dive into water
3
a
: to rush with reckless haste
plunged into debt
b
: to bring into an unpleasant state
plunged the family into gloom
4
: to dip or move suddenly downward or forward and downward
the road plunges along the slope

plunge

2 of 2 noun
: a sudden dive, leap, or rush

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