Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Adjective: relentless  ri'lent-lus
  1. Not to be placated, appeased or moved by entreaty
    "relentless persecution";
    - grim, inexorable, stern, unappeasable, unforgiving, unrelenting
  2. Never-ceasing
    "the relentless beat of the drums";
    - persistent, unrelenting

See also: continual, implacable

Encyclopedia: Relentless