spy

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Related to spied: espionage

spy out the land

To find out about or come to understand a particular state of affairs or the way a situation exists or has developed, especially before taking any decisive or definitive action. Given the turbulent nature of this market, I think it would be prudent for us to spy out the land before we agree to invest in your company. I'm just spying out the land regarding my parents' divorce before I make any solid plans to come visit them this Christmas.
See also: land, out, spy

spy (up)on someone or something

to watch someone or something to learn secret or concealed information. (Upon is formal and less commonly used than on.) Are you spying upon me? I wasn't spying on you! I was just trying to see who you were.
See also: on, spy

spy on

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]
See also: on, spy

ˌspy out the ˈland

find out about a situation, a place, an organization, etc. before you make a decision: The manager is sending Mark to Iceland to spy out the land. He wants to know whether we can do business there.
See also: land, out, spy

spy on

or spy upon
v.
To observe someone or something secretly and closely: A detective had been spying on the mayor's every move for months. The children spied upon their neighbors from the bushes along the property line.
See also: on, spy

spy out

v.
1. To observe some place secretly and closely: The troops spied out the cave and decided it was safe to hide there. The explorers sent a scout into the valley to spy it out before descending.
2. To discover something by observing secretly and closely: Try to spy out what's going on on those rooftops. We followed the other teams' strategies carefully to spy them out.
See also: out, spy
References in periodicals archive ?
In the American Civil War, at age 19, she spied on Confederate troops in Virginia, often disguised as a soldier or a black youth named Ned.
I have never spied on anybody, and I am personally offended.
The widely reported news that the CIA and National Security Agency (NSA) spied on and bugged the Swiss hotel rooms of Japanese trade negotiators in 1995 fails to interest Fialka.
Particularly in communist and other authoritarian countries, it's almost a given that they're being spied on by their local workers.