relentless Meaning, Definition & Usage

  1. adjective satellite not to be placated or appeased or moved by entreaty
    unrelenting; inexorable; unappeasable; stern; unforgiving; grim.
    • grim determination
    • grim necessity
    • Russia's final hour, it seemed, approached with inexorable certainty
    • relentless persecution
    • the stern demands of parenthood
  2. adjective satellite never-ceasing
    unrelenting; persistent.
    • the relentless beat of the drums

WordNet

Re*lent"less adjective
Definitions
  1. Unmoved by appeals for sympathy or forgiveness; insensible to the distresses of others; destitute of tenderness; unrelenting; unyielding; unpitying; as, a prey to relentless despotism.
    For this the avenging power employs his darts,.. Thus will persist, relentless in his ire. Dryden.
    -- Re*lent"less*ly, adv. -- Re*lent"less*ness, n.

Webster 1913