Definitions of ultimatum
a statement that orders someone to do something, often within a fixed period of time, and that if they do not then that person will suffer somehow
She had given him an ultimatum to leave by 1 July.
ultimatum
noun
noun
a statement that orders someone to do something, often within a fixed period of time, and that if they do not then that person will suffer somehow
She had given him an ultimatum to leave by 1 July.