The definition of 'spys' & the word 'spys' in example sentences or phrases

Noun
1
(military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors
2
a secret watcher; someone who secretly watches other people
  1. my spies tell me that you had a good time last night
Verb
1
catch sight of
2
watch, observe, or inquire secretly
3
catch sight of; to perceive with the eyes
  1. he caught sight of the king's men coming over the ridge
4
secretly collect sensitive or classified information; engage in espionage
  1. spy for the Russians

Synonyms of the word 'spys' & Antonyms of the word 'spys'.

Noun
Synonymsspy, undercover agent, spy,
Verb
Synonymsdescry, spy, espy, spot, stag, snoop, spy, sleuth, sight, spy, spy,