inexorable

/ɪˈnɛksərəbəl/

/ɪnˈɛksərəbəl/

When a person is inexorable, they're stubborn. When a thing or process is inexorable, it can't be stopped.

This is a word for people and things that will not change direction. An inexorable person is hard-headed and cannot be convinced to change their mind, no matter what. You can also say that a process, like the progress of a deadly illness, is inexorable because it can't be stopped. A speeding train with no brakes is inexorable; it's not stopping till it crashes. When you see the word inexorable, think "No one's stopping that."

Definitions of inexorable

1. adjective

   not to be placated or appeased or moved by entreaty
   “Russia's final hour, it seemed, approached with inexorable certainty”

   synonyms: grim, relentless, stern, unappeasable, unforgiving, unrelenting

   implacable

   incapable of being placated
2. adjective

   impervious to pleas, persuasion, requests, or reason
   “Cynthia was inexorable”

   synonyms: adamant, adamantine, intransigent

   inflexible

   incapable of change