A secret agreement between two or more parties for a fraudulent, illegal, or deceitful purpose.(noun)
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 "collusion" in a sentence
"As news about the memo spread, critics of Hall and the school board quickly denounced what they described as collusion between the district and the chamber."
"What you have here is, you have public officials ... in collusion, practicing an illegal act that costs the taxpayers money."
"'You have public officials in collusion, practicing an illegal act that costs taxpayers money,' McDonough said in an interview Tuesday."