collusion traffic sign on blue sky

collusion traffic sign blue sky conspiracy secret agreement machination covert understanding clandestine collaboration collusive activity illicit cooperation fraudulent alliance unlawful coordinated deception sneaky partnership plot conspiratorial scheme deceptive secretive unethical hidden scheming misconduct conniving illegitimate devious unscrupulous stealthy furtive dishonest underhanded coalition strategy deceit subversive treachery operation accord fraud endeavor