implacability

/ɪmˌplækəˈbɪləti/
noun
  1. The quality of being impossible to appease, satisfy, or stop; relentless hostility or determination.
    • The storm's implacability left the town with no choice but to evacuate.
    • The implacability of the enemy forces made peace negotiations impossible.
    • Her implacability in pursuing justice impressed even her critics.
What does "implacability" mean? | whatsthatwordmean | whatsthatwordmean