1. Not evitable; incapable of being shunned; unavoidable; certain. “The inevitable hour.”
It was inevitable; it was necessary; it was planted in the nature of things. --Burke.
2. Irresistible. “Inevitable charms.”
adj 1: incapable of being avoided or prevented; "the inevitable
result" [ant: evitable]
2: invariably occurring or appearing; "the inevitable changes
of the seasons"
n : an unavoidable event; "don't argue with the inevitable"