spark
1 Americannoun
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an ignited or fiery particle such as is thrown off by burning wood or produced by one hard body striking against another.
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Also called sparkover. Electricity.
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the light produced by a sudden discontinuous discharge of electricity through air or another dielectric.
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the discharge itself.
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any electric arc of relatively small energy content.
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the electric discharge produced by a spark plug in an internal-combustion engine.
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anything that activates or stimulates; inspiration or catalyst.
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a small amount or trace of something.
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a trace of life or vitality.
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(used with a singular verb) sparks, a radio operator on a ship or aircraft.
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(usually initial capital letter) a member of Camp Fire, Inc., who is five years of age.
verb (used without object)
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to emit or produce sparks.
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to issue as or like sparks.
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to send forth gleams or flashes.
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(of the ignition of an internal-combustion engine) to function correctly in producing sparks.
verb (used with object)
noun
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an elegant or foppish young man.
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a beau, lover, or suitor.
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a woman of outstanding beauty, charm, or wit.
verb (used with object)
verb (used without object)
noun
noun
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a fiery particle thrown out or left by burning material or caused by the friction of two hard surfaces
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a momentary flash of light accompanied by a sharp crackling noise, produced by a sudden electrical discharge through the air or some other insulating medium between two points
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the electrical discharge itself
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( as modifier )
a spark gap
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anything that serves to animate, kindle, or excite
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a trace or hint
she doesn't show a spark of interest
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vivacity, enthusiasm, or humour
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a small piece of diamond, as used in the cutting of glass
verb
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(intr) to give off sparks
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(intr) (of the sparking plug or ignition system of an internal-combustion engine) to produce a spark
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to kindle, excite, or animate
noun
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a fashionable or gallant young man
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ironic a person who appears clever or witty
some bright spark left the papers next to the open window
verb
noun
Other Word Forms
- sparkish adjective
- sparkishly adverb
- sparkishness noun
- sparkless adjective
- sparklessly adverb
- sparklike adjective
Etymology
Origin of spark1
First recorded before 900; Middle English noun spark(e), sparc(k), Old English spearca, spærca, sperca; cognate with Middle Dutch sparcke, spercke, Middle Low German sparke; the verb is derivative of the noun
Origin of spark2
First recorded in 1575–85; figurative use of spark 1 , or from Old Norse sparkr “quick, lively, brisk”
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.
But an extended period of high energy prices due to the Iran war could spark greater interest in EVs.
From Barron's • Apr. 1, 2026
They need Andy Roberton on one side and Gannon-Doak on the other whipping in crosses that spark mayhem.
From BBC • Mar. 31, 2026
Deploying new assets requires rounds of consultations and port calls by American warships can spark protests.
From The Wall Street Journal • Mar. 31, 2026
Fewer still thought it would spark a reckoning for the tech titans this spring.
From Los Angeles Times • Mar. 28, 2026
There’s fury in her eyes waiting to spark.
From "On the Come Up" by Angie Thomas
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.