That may be forgiven; pardonable; not very sinful or wrong: as, a venial sin or transgression. See sin, 1.Excusable; that may be allowed or permitted to pass without severe censure.Permissible; harmless; unobjectionable.Synonyms and Venial, Excusable, Pardonable. Excusable and pardonable are applied to things small and great, but pardonable primarily applies to greater offenses, as pardoning is a more serious act than excusing. Excusable may be applied where the offense is only in seeming. Venial applies to things actually done; the others may apply to infirmities and the like. Venial, by theological use, is often opposed, more or less clearly, to mortal.n. A venial sin or offense.