countermand
/ˈkaʊntərˌmænd/Definitions
1. verb
to cancel or repeal a previous order, decision, or instruction
“The company was forced to countermand its plans for the new project due to unforeseen financial difficulties.”
2. noun
the act of countermanding a previous order, decision, or instruction
“The countermand of the original plan was a last-minute change that caused confusion among the team members.”