1. not to be placated or appeased or moved by entreaty;
"grim determination""grim necessity""Russia's final hour, it seemed, approached with inexorable certainty""relentless persecution""the stern demands of parenthood"
2. not capable of being swayed or diverted from a course; unsusceptible to persuasion;
"he is adamant in his refusal to change his mind""Cynthia was inexorable; she would have none of him"- W.Churchill"an intransigent conservative opposed to every liberal tendancy"