Definition for spy

noun as in person who secretly finds out about another's business

verb as in secretly follow, watch another's actions

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Example Sentences

She’s completely won Emily over by volunteering to act as her socialite spy.

From Vox

Many have turned to VPNs, or virtual private networks, thinking that they can protect you from snoopers and spies.

However, recruiting and retaining the talent capable of building these tools is a challenge on many levels, especially since a spy agency can’t match Silicon Valley salaries, reputations, and patents.

Tenet, a time-travel spy thriller starring John David Washington and Robert Pattinson, was originally slated as a summerlong “tentpole” release, expected to be among the highest-grossing movies of the year.

From Fortune

Normally, silence and secrecy are inherent in the spy business.

It is a spy series at its core, but you guys never really pull from the headlines.

The highly anticipated sixth season of the hilarious spy-spoof will premiere on FX at 10 pm EST on January 8, 2015.

And after the film premiered in Telluride, you were accused by Iran State Media of being a “Zionist” CIA spy.

“Once a spy, always a spy,” his friend responded; this was a common Soviet saying.

That alliance between the spy agency and the military, forged in Iraq, would forever change the way America fights wars.

It was a fact that Amy Drew often saw humor where her chum 98 could not spy anything in the least laughable.

Valence sent a woman, disguised as a beggar, to spy out the position; but Bruce saw through the dodge, and the spy confessed.

To spy out the land with a naval telescope over a mile of sea means taking a lot on trust as we learned to our cost on April 25th.

Many a spy of the Kaiser had tried to pry there and had been arrested and sentenced to a long term of imprisonment.

Nobody guessed where the King of Asturia was, and the spy had gone off on a false errand altogether.


On this page you'll find 124 synonyms, antonyms, and words related to spy, such as: agent, detective, informer, investigator, mole, and operative.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.