spyware

noun

spy·​ware ˈspī-ˌwer How to pronounce spyware (audio)
: software that is installed in a computer or mobile device without the user's knowledge and that transmits information about the user's activities
Jan should scan her computer for viruses, worms, and spywareKenneth Baldauf and Ralph Stair
Smartphones belonging to more than three dozen journalists, human rights activists, and business executives have been infected with powerful spyware that an Israeli firm sells, purportedly to catch terrorists and criminals, The Washington Post and other publications reported.Dan Goodin

Examples of spyware in a Sentence

Recent Examples on the Web
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Threat actors who manage to get their spyware installed on a device will no longer have to scour it for the most sensitive data stored there. Dan Goodin, ArsTechnica, 11 Apr. 2025 While such spyware isn’t widely deployed against most people, top government officials are some of the biggest targets for governments and intelligence agencies engaged in espionage. Kevin Collier, NBC news, 26 Mar. 2025 The data could expose the officials to hostile intelligence services that could conceivably use it to hack communications and plant spyware on those officials’ devices, German newspaper Der Spiegel reported. Theresa Braine, New York Daily News, 27 Mar. 2025 The researchers also detailed cases where Paragon’s Graphite spyware had been used to monitor victims’ WhatsApp. Thomas Brewster, Forbes, 25 Mar. 2025 See All Example Sentences for spyware

Word History

First Known Use

1994, in the meaning defined above

Time Traveler
The first known use of spyware was in 1994

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Cite this Entry

“Spyware.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spyware. Accessed 22 Apr. 2025.

Kids Definition

spyware

noun
spy·​ware
ˈspī-ˌwer
: software that is installed in a computer or mobile device without the user's knowledge and that transmits information about the user's activities

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