a person who spies on a country while pretending to spy for it.
a spy in the service of two rival countries, companies, etc.
double rainbowRead more in this article about some frequently asked questions and fun facts related to our definitions.
Don’t Get Into Double Trouble With Double NegativesWhat’s a double negative? A double negative is when two negative words or constructions are used within a single clause. Sentences with double negatives are not grammatically correct . . . and they’re confusing. That’s because double negatives cancel each other out and make a positive. So, when you use a double negative it ends up being the exact opposite of what you mean. You’ll …
Origin of double agent
First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for double agent
a spy employed by two mutually antagonistic countries, companies, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for double agent
Online Etymology Dictionary, © 2010 Douglas Harper