Word.ws English Dictionary

spy on

spy on verb: to watch secretly or covertly; to surveil.

Verb

spy on (third-person singular simple present spies on, present participle spying on, simple past and past participle spied on)

  1. To watch secretly or covertly; to surveil.

Forms of spy on

third-person singular presentspies on
present participlespying on
past participlespied on
pastspied on

Questions about spy on

What does spy on mean?
Spy on means to watch secretly or covertly; to surveil.
What part of speech is spy on?
Spy on is a verb.
What is the past tense of spy on?
The past tense of spy on is spied on.

Words near spy on in the dictionary

  1. spy hopped
  2. spy hopping
  3. spy hoppings
  4. spy hops
  5. spy money
  6. spy on
  7. spy out
  8. spy plane
  9. spy planes
  10. spy ring
  11. spy rings

Source and license

Adapted from Wiktionary: spy on (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “spy on.” Word.ws, https://word.ws/spy_on. Based on Wiktionary, CC BY-SA 4.0.