(countable) Instantaneous, unexpected death not caused by violence or trauma.

(countable) A fictional story that is briefer than typical short stories. / (uncountable) The genre of such stories.

(set phrase) Alternative form of all of a sudden

(chiefly Scotland) Alternative form of all of a sudden

plural of sudden death

plural of sudden fiction

(obsolete) all of a sudden; suddenly

(set phrase) Alternative form of all of a sudden

(meteorology) A weather phenomenon where the polar vortex breaks down, causing a sudden temperature increase in the stratosphere of 50 kelvin or more.

plural of sudden stratospheric warming