: a final proposition, condition, or demand especially : one whose rejection will end negotiations and cause a resort to force or other direct action.

What is an ultimatum person?

An ultimatum is a demand for behavioral change accompanied by a threat. ... In relationships, those who feel their needs aren't being met issue ultimatums. Issuing an ultimatum is a sign of desperation. The person is desperate to get what they want from their relationship partner.

What is an ultimatum example?

The definition of an ultimatum is a demand which, if not met, will end a relationship or otherwise result in some serious consequence. When a woman says to her boyfriend "marry me or I am leaving you," this is an example of an ultimatum. ... by the party issuing the ultimatum.