relentless   (Sound)

The relentless has 2 Senses.

• inexorable, unappeasable, stern, unrelenting, unforgiving, relentless, grim
• 厳然たる, 儼たる, 冷厳
• 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"
• 懇願によって静められない、なだめられない、または、動かされないさま

• unrelenting, persistent, relentless
• 持続的
• never-ceasing; "the relentless beat of the drums"
• 決して終わらないさま