'Unrelentingness' definitions:

Definition of 'Unrelentingness'

From: 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]