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The condition of not being susceptible to death; immortality.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
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.