Search Result for "implacable": 
Wordnet 3.0

ADJECTIVE (1)

1. incapable of being placated;
- Example: "an implacable enemy"


The Collaborative International Dictionary of English v.0.48:

Implacable \Im*pla"ca*ble\, a. [L. implacabilis; pref. im- not + placabilis: cf. F. implacable. See Placable.] 1. Not placable; not to be appeased; incapable of being pacified; inexorable; as, an implacable prince. [1913 Webster] I see thou art implacable. --Milton. [1913 Webster] An object of implacable enmity. --Macaulay. [1913 Webster] 2. Incapable of being relieved or assuaged; inextinguishable. [R.] [1913 Webster] O! how I burn with implacable fire. --Spenser. [1913 Webster] Which wrought them pain Implacable, and many a dolorous groan. --Milton. Syn: Unappeasable; inexorable; irreconcilable; unrelenting; relentless; unyielding. [1913 Webster]
WordNet (r) 3.0 (2006):

implacable adj 1: incapable of being placated; "an implacable enemy" [ant: placable]
Moby Thesaurus II by Grady Ward, 1.0:

56 Moby Thesaurus words for "implacable": adamant, adamantine, avenging, cast-iron, cruel, dour, firm, flinty, grim, grudgeful, hard, hard-core, immovable, immutable, impliable, inelastic, inexorable, inflexible, intractable, intransigent, iron, irreconcilable, merciless, mortal, pitiless, punitive, punitory, rancorous, relentless, retaliatory, revanchist, revengeful, rigid, rigorous, rock-ribbed, ruthless, steely, stern, stiff, unaffected, unalterable, unappeasable, unbending, unchangeable, uncompassionate, uncompromising, unflinching, unforgiving, ungiving, unmoved, unrelenting, unsympathetic, unyielding, vengeful, vindicatory, vindictive