intransitive verb. To act together, often in secret, to achieve an illegal or improper purpose.

To conspire in a fraud or deception; act in concert through a secret understanding; play into one another's hands. See collusion.

intransitive verb. To have secretly a joint part or share in an action; to play into each other's hands; to conspire; to act in concert.

verb. to act in concert with; to conspire

verb. act in unison or agreement and in secret towards a deceitful or illegal purpose

"The U.S. Department of Justice says it has launched a new investigation into price-fixing in the industry, examining whether record labels collude to keep up the price they charge online retailers, and whether those retailers are in on the scam."

collusion  

colluded  colluding  

interact  

Abood  Jude  Likud  Mahmood  Mahmoud  

cahoots  conspire  plot  scheme  

colluded  colludes  colluding