unrelenting

adj 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 [syn: {grim}, {inexorable}, {relentless},

{stern}, {unappeasable}, {unforgiving}]

2: never-ceasing; "the relentless beat of the drums" [syn: {persistent},

{relentless}]