Webster's Revised Unabridged Dictionary · 1913

Venial

Venial , adjective

[Old French venial, French véniel, Latin venialis, from venia forgiveness, pardon, grace, favor, kindness; akin to venerari to venerate. See Venerate.]

1.
Capable of being forgiven; not heinous; excusable; pardonable; as, a venial fault or transgression.
So they do nothing, 't is a venial slip. — Shakespeare
2.
Allowed; permitted. [Obsolete]
Permitting him the while venial discourse unblamed. — Milton
Collocations (1)
Venial sin (R. C. Theology) , a sin which weakens, but does not wholly destroy, sanctifying grace, as do mortal, or deadly, sins.