Definition of spying in US English:

spying

noun

  • See spy

    • ‘He reportedly received more than $600,000 in cash and diamonds in payment for his years of spying - virtually all of which he is believed to have given away.’
    • ‘She went behind enemy lines to treat civilians who were caught up in this madness, and also probably, some people say, did some spying while she was there.’
    • ‘The FBI has been investigating the incidents, but finding out who is behind the spying is difficult.’
    • ‘I'm certain that much of the real spying is never caught because it is conducted by what seem to be ordinary citizens.’
    • ‘It led into a small room that had eyeholes and a small listening phone, perfect for spying.’

Pronunciation

spying

/ˈspīiNG//ˈspaɪɪŋ/