Fatalness n. : Quality of being fatal.

Example:
the symptoms of paincritis and Fatalness of it.?

Taxonomy
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Defination from the web:
fatalness from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... fatalness. One entry found. Main Entry: fatalness. fatalness can be found at Merriam-WebsterUnabridged.com. Click here to start your free trial! ...