the GNU version of the Collaborative International Dictionary of English
adj. Opposed to, or not in accordance with, the Holy Scriptures.
The Century Dictionary and Cyclopedia
Antagonistic to the principles or doctrines of Scripture, or to the acceptance of the Scriptures as inspired.
Word Usage
"No man, he added, durst impose upon a Christian an article of belief which was antiscriptural; the judgment of an individual Christian must be worth more than that of the Pope or even of a Council, provided he has a better ground for it."