Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “spy”

See all translations

spy

noun [C]  /spɑɪ/ ( slang spook) us  

spy noun [C] (PERSON)

spy

verb  /spɑɪ/ us  

spy verb (SEE)

[T] to see or notice someone or something: He kept on their trail until he spied firelight from a camp nestled in the rocks.

spy verb (GATHER INFORMATION)

[I] to secretly gather and report information about another country or organization: Bazoft confessed on television that he spied for Israel.
Translations of “spy”
in Korean 스파이, 간첩…
in Arabic جاسوس…
in French espion/-onne…
in Turkish casus…
in Italian spia…
in Chinese (Traditional) 間諜,密探…
in Russian шпион…
in Polish szpieg…
in Spanish agente secreto…
in Portuguese espião, espiã…
in German der/die Spion(in)…
in Catalan espia…
in Japanese スパイ, 諜(ちょう)報員…
in Chinese (Simplified) 间谍,密探…
(Definition of spy from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of spy?
Add Cambridge dictionaries to your browser to your website

Definitions of “spy” in other dictionaries

Word of the Day

work out

to exercise in order to improve the strength or appearance of your body

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

bio-inspiration noun

April 13, 2015
the adoption of patterns and structures found in nature for the purposes of engineering, manufacturing, science, etc. The MIT researchers actually aren’t the only robotics team to turn to cheetahs for bio-inspiration.

Read More