To listen secretly to the private conversation of others.(verb-intransitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "eavesdrop" in a sentence
"Oops--I didn't meant that I thought it was bad to "eavesdrop"---because I do that on a regular basis."
"Today, the NSA’s capability to eavesdrop is far beyond anything ever dreamed of by Justice Brandeis."
"Yes, the telephone companies were told by the Bush/Cheney administration they were to 'eavesdrop' on their customers in February 2001, only Qwest refused and they lost a very lucrative government contract as a result, plus their CEO was found guilty of insider trading because he sold a block of his stock when this occurred."