incredibilityEtymologyFrom Latin incredibilitas, equivalent to incredible + -ity.incredibility means The quality of being incredible; incredibleness. Lexicurio rates it Sui generis — a strength score of 85 out of 100.nounThe quality of being incredible; incredibleness.That which is incredible.“But, as to its contents, who would believe such incredibilities as miracles, inspirations, or prophecies, or that God would command the perpetration of crimes like the destruction of the Canaanites?”