unrelenting
AdjectiveWordNet 3.0
Adjective (3)
- 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”Synonyms: griminexorablerelentlesssternunappeasableunforgiving
- harsh“the brutal summer sun”“a brutal winter”Synonyms: brutal
- never-ceasing“the relentless beat of the drums”Synonyms: persistentrelentless
Webster's Dictionary (GCIDE)
Unrelenting \Un`re*lent"ing\, a. Not relenting; unyielding; rigid; hard; stern; cruel. -- Un`re*lent"ing*ly, adv. -- Un`re*lent"ing*ness, n. [1913 Webster]