Defn: In the manner of an imp.
IMPITEOUS
Im*pit"e*ous, a.
Defn: Pitiless; cruel. [Obs.]
IMPLACABILITY Im*pla`ca*bil"i*ty, n. Etym: [L. implacabilitas: cf. F. implacabilité.]
Defn: The quality or state of being implacable.
IMPLACABLE Im*pla"ca*ble, a. Etym: [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. I see thou art implacable. Milton. An object of implacable enmity. Macaulay.
2. Incapable of ebign relieved or assuaged; inextinguishable. [R.]
O! how I burn with implacable fire. Spenser.
Which wrought them pain Implacable, and many a dolorous groan.
Milton.
Syn. — Unappeasable; inexorable; irreconcilable; unrelenting; relentless; unyielding.
IMPLACABLENESS
Im*pla"ca*ble*ness, n.