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spy

2 ENTRIES FOUND:
1 spy /ˈspaɪ/ noun
plural spies
1 spy
/ˈspaɪ/
noun
plural spies
Britannica Dictionary definition of SPY
[count]
: a person who tries secretly to get information about a country or organization for another country or organization often used before another noun
: someone who secretly watches the movement or actions of other people
2 spy /ˈspaɪ/ verb
spies; spied; spying
2 spy
/ˈspaɪ/
verb
spies; spied; spying
Britannica Dictionary definition of SPY
[no object] : to try secretly to get information about a country, organization, etc. : to act as a spy
often + on
[+ object] : to see or notice (someone or something)

spy on

[phrasal verb]
spy on (someone or something)
: to watch (someone) secretly
see also 2spy 1 (above)

spy out

[phrasal verb]
spy (something) out or spy out (something) : to notice, find, or learn about (something) by looking often in a secret way
spy out the land chiefly British : to find or get more information about a situation secretly and before making a decision