[syn: persistent, relentless, unrelenting]
The Collaborative International Dictionary of English v.0.48:
Relentless \Re*lent"less\, a.
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.
[1913 Webster]
For this the avenging power employs his darts, . . .
Thus will persist, relentless in his ire. --Dryden.
[1913 Webster] -- Re*lent"less*ly, adv. --
Re*lent"less*ness, n.
[1913 Webster]
WordNet (r) 3.0 (2006):
relentless
adj 1: 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" [syn: grim, inexorable, relentless,
stern, unappeasable, unforgiving, unrelenting]
2: never-ceasing; "the relentless beat of the drums" [syn:
persistent, relentless, unrelenting]