The Collaborative International Dictionary
Expurgatory
Expurgatory \Ex*pur"ga*to*ry\, a. [Cf. F. expurgatoire.]
Serving to purify from anything noxious or erroneous;
cleansing; purifying. ``Expurgatory animadversions.''
--Sir
T. Browne.
Expurgatory Index. See Index Expurgatorius, under Index.
Wiktionary
expurgatory
a. serving to expurgate