secret plan

Thesaurus

Noun

1.

secret plan - a secret scheme to do something (especially something underhand or illegal); "they concocted a plot to discredit the governor"; "I saw through his little game from the start"plot, gamescheme, strategy - an elaborate and systematic plan of actioncounterplan, counterplot - a plot intended to subvert another plotintrigue, machination - a crafty and involved plot to achieve your (usually sinister) endscabal, conspiracy - a plot to carry out some harmful or illegal act (especially a political plot)