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Webster 1913 Edition
Impeccable
Im-pec′ca-ble
,Adj.
[L.
impeccabilis
; pref. im-
not + peccare
to err, to sin: cf. F. impeccable
.] Not liable to sin; exempt from the possibility of doing wrong.
– Noun.
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.