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
Wendy, who spies on Joe all the time, sees this and demands to go find him.
—
Erik Kain, Forbes.com, 19 Aug. 2025
This gets tricky when her father sends Demi to watch over (or spy on) her at school.
—Sarah Scott, Parents, 13 Aug. 2025
For months, Trump has kicked the can down the road regarding a TikTok ban, allowing the app to continue operating despite supposedly urgent national security concerns that China may be using the app to spy on Americans.
—Ashley Belanger, ArsTechnica, 11 Aug. 2025
View gallery - 5 images Who watches the watchmen and who spies on the spy satellites?
—David Szondy
august 07, New Atlas, 7 Aug. 2025
See All Example Sentences for spy on
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Erik Kain, Forbes.com, 19 Aug. 2025
This gets tricky when her father sends Demi to watch over (or spy on) her at school.
—Sarah Scott, Parents, 13 Aug. 2025
For months, Trump has kicked the can down the road regarding a TikTok ban, allowing the app to continue operating despite supposedly urgent national security concerns that China may be using the app to spy on Americans.
—Ashley Belanger, ArsTechnica, 11 Aug. 2025
View gallery - 5 images Who watches the watchmen and who spies on the spy satellites?
—David Szondy
august 07, New Atlas, 7 Aug. 2025
See All Example Sentences for spy on
Cite this Entry
“Spy on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spy%20on. Accessed 1 Sep. 2025.
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