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sputter

American  
[spuht-er] / ˈspʌt ər /

verb (used without object)

  • sputters,
    present (3rd person singular)
  • sputtered,
    past participle,  past
  • sputtering
    present participle
  1. to make explosive popping or sizzling sounds.

  2. to emit particles, sparks, etc., forcibly or explosively, especially accompanied by sputtering sounds.

  3. to eject particles of saliva, food, etc., from the mouth in a light spray, as when speaking angrily or excitedly.

  4. to utter or spit out words or sounds explosively or incoherently, as when angry or flustered.


verb (used with object)

  • sputters,
    present (3rd person singular)
  • sputtered,
    past participle,  past
  • sputtering
    present participle
  1. to emit (anything) forcibly and in small particles, as if by spitting.

    The fire sputtered cinders.

  2. to eject (saliva, food, etc.) in small particles explosively and involuntarily, as in excitement.

  3. to utter explosively and incoherently.

noun

  1. the act or sound of sputtering.

  2. explosive, incoherent utterance.

  3. matter ejected in sputtering.

sputter British  
/ ˈspʌtə /

verb

  1. another word for splutter splutter splutter

  2. physics

    1. to undergo or cause to undergo a process in which atoms of a solid are removed from its surface by the impact of high-energy ions, as in a discharge tube

    2. to coat (a film of a metal) onto (a solid surface) by using this process

"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. the process or noise of sputtering

  2. incoherent stammering speech

  3. something that is ejected while sputtering

"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

Participles

Conjugated Forms

Present

Past

Future


Etymology

Origin of sputter

1590–1600; sput- (variant of spout ) + -er 6; cognate with Dutch sputteren


Explanation

When someone (or something) makes a soft, fast popping sound, they sputter. If you expect to win first prize in a poetry contest but don't, you might sputter, "But...but..." When you sputter, you're often angry, surprised, or otherwise at a loss for words. You may sputter incoherent sounds, or short syllables. When you start up your dirt bike, its engine sputters too, with muted exploding sounds. This word is also a noun: "The sputter from out on the lake told me he got the old motorboat going." In physics, to sputter is to send high-energy particles onto a material, dislodging tiny particles from its surface.

Keep Reading on Vocabulary.com

Vocabulary lists containing sputter

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:

Hopes had been high that the eurozone's traditional growth engine would sputter back to life in 2026 after years of stagnation, driven by Chancellor Friedrich Merz's public spending blitz.

From Barron's ● Apr. 22, 2026

He started Sunday with a sputter, including a double bogey on the par-three fourth and a bogey shortly after.

From Los Angeles Times ● Apr. 12, 2026

If an oil shock persisted long enough, economic growth could also sputter.

From MarketWatch ● Mar. 24, 2026

Instead, productivity growth has all but collapsed since the pandemic, and even before then was starting to sputter.

From The Wall Street Journal ● Feb. 19, 2026

I’m still calculating the profit when the outboard starts to sputter.

From "The Young Man and the Sea" by Rodman Philbrick

Plus: Uber teams up with Zipline for drone deliveries; home-improvement revival sputters.

From The Wall Street Journal ● Aug. 18, 2026

Thankfully, there are a few moments when the album sputters into life.

From BBC ● Jul. 18, 2026

Small-cap companies tend to have weaker balance sheets, higher debt loads and can become more vulnerable to defaults than major corporations if the economy sputters.

From MarketWatch ● Jan. 22, 2026

A street market in a Buenos Aires working-class neighborhood bustles with desperate Argentines who have taken to hawking their belongings to make ends meet as the economy sputters.

From Barron's ● Oct. 22, 2025

Captain Smith sputters, but no words come to him.

From "Blood on the River" by Elisa Carbone

Their offense has sputtered and wheezed, even as their defense has done its part to keep them in games.

From Los Angeles Times ● Oct. 3, 2026

It sputtered but eventually had a rebirth as an online gaming site with a sizable audience in Brazil.

From The Wall Street Journal ● Aug. 15, 2026

Sales at U.S. retailers in July had the largest decline in 14 months, but not because the economy sputtered.

From MarketWatch ● Aug. 14, 2026

The investigation sputtered for decades because of a lack of evidence, but the cold case was revived with the publication in 2019 of Davis's memoirs.

From Barron's ● Aug. 10, 2026

The torches sputtered and spoke in their sconces on the walls of the corridor.

From "The Inquisitor's Tale" by Adam Gidwitz

Friday’s figures provided an initial look at the world’s second-largest economy heading into the third quarter, following official data that showed growth sputtering in the April-June period amid a pullback in government and private spending.

From The Wall Street Journal ● Jul. 31, 2026

"We directly introduced dislocations in CoAl during sputtering deposition," Zhang said.

From Science Daily ● Jul. 31, 2026

To put things another way, the actual figures show the U.S. economy to be sputtering, and the “vibe economy” as measured by consumer confidence is doing even worse.

From Los Angeles Times ● Jul. 13, 2026

Amid sputtering domestic growth momentum, economists say Beijing may roll out some targeted easing in coming weeks, but a policy pivot is unlikely.

From The Wall Street Journal ● Jun. 30, 2026

The sputtering stopped abruptly as the other fellow shook him off.

From "Flying Through Water" by Mamle Wolo

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