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US /ɪˈspaɪəl/ UK /ɪˈspaɪəl/

Meanings

  1. 1

Thesaurus

Synonyms
1 noun · the act of spying or... observationspyingsightingsurveillancedetection
Word family
Related forms espyspyespionage

Etymology

From Old French espier 'to spy, watch', of Germanic origin (cf. Old High German spehon 'to spy'), with the noun suffix -al; ultimately from Proto-Indo-European *spek- 'to observe'.

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