Sinister surveillance Synonyms

Definitions for Sinister


  • (adjective) being or showing a sign of evil or calamity to come
  • (adjective) stemming from evil characteristics or forces; wicked or dishonorable
  • (adjective) threatening or foreshadowing evil or tragic developments

Definitions for Surveillance


  • (noun) the duty or function of watching or guarding for the sake of proper direction or control
  • (noun) an act or period of watching for signs of activity , danger , or opportunity
  • (noun) close observation of a person or group (usually by the police)