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Synonyms

spy on

Idioms  
  1. Secretly or furtively observe someone or something, as in The children loved spying on the grownups, or The company sent him to spy on the competitor's sales force. [Early 1600s]


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.

The world’s largest producer of titanium was the Soviet Union, and the Soviets weren’t about to sell the material to the U.S. to build a plane to spy on them.

From The Wall Street Journal • May 18, 2026

Wai also recruited a fellow Border Force officer, an ex-Royal Marine called Matthew Trickett, to help spy on foreign dissidents.

From The Wall Street Journal • May 7, 2026

Former Google CEO and chairman Eric Schmidt was accused in a lawsuit filed Wednesday by a former girlfriend and business partner of using a Gmail “backdoor” to spy on her and company employees.

From Los Angeles Times • Mar. 6, 2026

On Monday OpenAI Chief Executive Sam Altman said the company planned to add language to its agreement, including explicitly prohibiting the use of its systems to spy on Americans.

From BBC • Mar. 3, 2026

“I want to spy on Miss Joe,” I tell her.

From "Hurricane Child" by Kheryn Callender

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