snooper

/ˈsnuːpər/
noun
  1. A person who secretly looks into other people's private matters; a nosy person.
    • The snooper was caught reading emails on her coworker's computer.
    • Our new app blocks snoopers from accessing your personal data.
    • A snooper in the neighborhood reported the party to the police.
What does "snooper" mean? | whatsthatwordmean | whatsthatwordmean