In a snoopy manner.

The characteristic of being snoopy.

plural of snooperscope

Synonym of sniperscope

In a snooping manner.

Somewhat snoopy.

(rare) The quality of being snoopish.

(UK, informal, derogatory) The Draft Communications Data Bill, proposed legislation that would require ISPs and mobile phone companies to store records of each user's Internet browsing activity.

(computing, informal) Software covertly installed on a computer in order to monitor the user's activity or to steal confidential data.