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Definition of spy verb from the Oxford Advanced Learner's Dictionary

spy

verb
 
/spaɪ/
 
/spaɪ/
Verb Forms
present simple I / you / we / they spy
 
/spaɪ/
 
/spaɪ/
he / she / it spies
 
/spaɪz/
 
/spaɪz/
past simple spied
 
/spaɪd/
 
/spaɪd/
past participle spied
 
/spaɪd/
 
/spaɪd/
-ing form spying
 
/ˈspaɪɪŋ/
 
/ˈspaɪɪŋ/
Idioms Phrasal Verbs
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  1. [intransitive] to collect secret information about another country, organization or person
    • He spied for his government for more than ten years.
    Topics War and conflictc1
  2. [transitive] spy somebody/something (literary or formal) to suddenly see or notice somebody/something
    • In the distance we spied the Pacific for the first time.
  3. Word OriginMiddle English: shortening of Old French espie ‘espying’, espier ‘espy’, of Germanic origin, from an Indo-European root shared by Latin specere ‘behold, look’.
Idioms
spy out the land
  1. to collect information before deciding what to do
See spy in the Oxford Advanced American Dictionary
buttercup
noun
 
 
From the Topic
Plants and trees
C2
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