Define: Eavesdropping

to listen without the speaker’s knowledge.

Eavesdropping refers to the act of secretly listening to or overhearing private conversations or communications without the knowledge or consent of the parties involved. It typically involves surreptitious or unauthorized surveillance of conversations in private spaces or using electronic devices to intercept communications. Eavesdropping is generally considered an invasion of privacy and may be illegal, depending on the jurisdiction and the circumstances. Laws governing eavesdropping vary widely, but in many places, it is prohibited without the consent of at least one party involved in the conversation. Eavesdropping can have serious legal and ethical implications, and individuals or entities found to engage in such activities may face civil lawsuits, criminal charges, or other penalties.

Listening to conversations or observing conduct which is meant to be private, typically by using devices that amplify sound or light, such as stethoscopes or binoculars. The term comes from the common law offence of listening to private conversations by crouching under the windows or eaves of a house. Nowadays, eavesdropping includes using electronic equipment to intercept telephone or other wire communications, or radio equipment to intercept broadcast communications. Generally, the term “eavesdropping” is used when the activity is not legally authorized by a search warrant or court order; and the term “surveillance” is used when the activity is permitted by law. Compare electronic surveillance.

This site contains general legal information but does not constitute professional legal advice for your particular situation. Persuing this glossary does not create an attorney-client or legal adviser relationship. If you have specific questions, please consult a qualified attorney licensed in your jurisdiction.

This glossary post was last updated: 29th March, 2024.