spy on

phrasal verb

spied on; spying on; spies on
: to watch (someone) secretly
He spies on his neighbors.
Have you been spying on me?

Examples of spy on in a Sentence

Recent Examples on the Web
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Currently in production in Queensland, Australia, The Mark follows Eden (Alba), an enigmatic spy on a covert and dangerous mission. Matt Grobar, Deadline, 30 Oct. 2025 Jack Smith and the Biden DOJ spied on Republican Senators and a least one Republican Congressman. Peter Aitken, MSNBC Newsweek, 30 Oct. 2025 If there is communication, someone will want to spy on that communication. Literary Hub, 28 Oct. 2025 The same technique could also be exploited to spy on and steal data from a user’s phone. PC Magazine, 14 Oct. 2025 See All Example Sentences for spy on

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Cite this Entry

“Spy on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spy%20on. Accessed 10 Nov. 2025.

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