Defn: the quality of being impeccable; exemption from sin, error, or
offense.
Infallibility and impeccability are two of his attributes. Pope.

IMPECCABLE Im*pec"ca*ble, a. Etym: [L. impeccabilis; pref. im- not + peccare to err, to sin: cf. F. impeccable.]

Defn: Not liable to sin; exempt from the possibility of doing wrong. — n.

Defn: One who is impeccable; esp., one of a sect of Gnostic heretics who asserted their sinlessness. God is infallible, impeccable, and absolutely perfect. P. Skelton.

IMPECCANCY
Im*pec"can*cy, n.

Defn: Sinlessness. Bp. Hall.

IMPECCANT
Im*pec"cant, a.

Defn: Sinless; impeccable. Byron.

IMPECUNIOSITY
Im`pe*cu`ni*os"i*ty, n.

Defn: The state of being impecunious. Thackeray. Sir W. Scott.