undeadliness

== English == === Etymology === Calque of Middle English undedlynesse (or, in some cases, a continuation rather than a calque), from Old English undēadlīcnes (“immortality”); equivalent to undeadly +‎ -ness; compare German Unsterblichkeit, a similarly formed compound. === Noun === undeadliness (uncountable) The condition of not being susceptible to death; immortality. ==== Synonyms ==== deathlessness; see also Thesaurus:immortality