EXPURG'ATORY, adjective Cleansing; purifying; serving to purify from any thing noxious or erroneous; as the expurgatory index of the Romanists, which directs the expunction of passages of authors contrary to their creed or principles. Expurgatory animadversions.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI