Sentence:  Now in all these Cases the Reading of Heathen Authors for such unworthy Ends, was very <WSD>disallowable</WSD>, because it was always done with a manifest Neglect and Contempt of the Holy Scriptures, and therefore upon such Grounds deservedly forbidden by the Canons of the Church. 
Meaning of the word marked with <WSD> tags:  Not allowable; not to be suffered or permitted; which should not be allowed.