Cool MateEspionage vs Surveillance
When to use each in English, with meaning, register, and examples.
| Espionage | Surveillance | |
|---|---|---|
| Meaning | The secret act of spying, especially to get secret information. | Watching someone or something carefully, often to find out more information. |
| Register | formal | formal |
| CEFR level | - | C1 |
| Part of speech | noun | |
| Usage notes | Used primarily in formal contexts, especially in discussions about government or military activities. Avoid in casual conversation. | Used mainly in formal contexts such as law enforcement, security, and privacy discussions. Not appropriate in casual conversation. Can imply a sense of monitoring or intrusiveness. |
Frequently asked questions: Espionage vs Surveillance
What's the difference between "Espionage" and "Surveillance"?
"Espionage" means: The secret act of spying, especially to get secret information. "Surveillance" means: Watching someone or something carefully, often to find out more information.
When should I use "Espionage" and "Surveillance"?
"Espionage" is formal; "Surveillance" is formal.