nonextant
— Adjective
– English
~ no longer existing or inaccessible through loss or destruction; "its nonextant original was written on vellum"- G.B.Saul
nonextensile
— Adjective
– English
~ not extensile
nonfeasance
— Noun
– English
~ a failure to act when under an obligation to do so; a refusal (without sufficient excuse) to do that which it is your legal duty to do