# undeadliness

> English word · Noun

## Definitions
1. The condition of not being susceptible to death; immortality.

## 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.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/undeadliness