demise /dɪˈmaɪz/noun 5verb 5forms 3 noun5 •Death; decease. •The end of something, in a negative sense; downfall.The lack of funding ultimately led to the project's demise. •The atmospheric disintegration of a satellite or satellite component upon re-entering Earth's atmosphere.Relocating components to places where they receive more heating effect earlier in the reentry and even triggering a partial break-up of the satellite structure during reentry to aid demise. •The conveyance or transfer of an estate, either in fee for life or for years, most commonly the latter. •Transmission by formal act or conveyance to an heir or successor; transference; especially, the transfer or transmission of the crown or royal authority to a successor. verb5 •To convey, as by will or lease. •To transmit by inheritance. •To pass by inheritance. •To die. •(no longer used) To give. formsdemised · demising · demises