Spies: meaning, definitions and examples

Used mainly to describe individuals who secretly gather information, often for a government or organization. Carries a sense of intrigue and danger.

• James Bond is one of the most famous fictional spies
• During the war, many spies worked undercover to gather intelligence

Applies to individuals employed by a government or organization, often in official capacities. It is usually more formal and broad in scope.

• The FBI agents conducted a thorough investigation
• She worked as a secret agent for the intelligence agency

Refers to people who provide information, usually secretly, about others, often to the police or authorities. Has a slight negative connotation of betrayal.

• The police arrested the criminal based on tips from informants
• He became an informant to avoid jail time

Describes skilled workers or professionals, especially in the context of covert operations or intelligence work. It can be used in a more tactical or hands-on sense.

• The operatives were deployed to gather critical information
• Covert operatives often work behind enemy lines

Used when referring to individuals who secretly collect and report information about an enemy or competitor.

• The government recruited spies to gather intelligence.
• She feared that spies were watching her every move.

Used when watching something carefully to learn more about it or to notice changes.

• Scientists observe the behavior of animals in their natural habitat.
• She likes to sit in the park and observe people passing by.

Used in situations involving close observation, particularly of a suspicious individual or area, often for security purposes. Has a more formal and sometimes negative connotation.

• The police decided to surveil the suspect's home.
• They implemented new policies to surveil online activities.

Used when one continuously watches or checks something over a period of time, especially to keep track of progress or changes.

• The doctors will monitor the patient's condition closely.
• I'll monitor the project to ensure it stays on schedule.