The Collaborative International Dictionary
Expurgate \Ex"pur*gate\ ([e^]ks"p[u^]r*g[=a]t or [e^]ks*p[^u]r"g[=a]t; 277), v. t. [imp. & p. p. Expurgated ([e^]ks`p[u^]r*g[=a]"t[e^]d); p. pr. & vb. n. Expurgating ([e^]ks`p[u^]r*g[=a]"t[i^]ng).] [L. expurgatus, p. p. of expurgare to purge, purify; ex out, from + purgare to cleanse, purify, purge. See Purge, and cf. Spurge.] To purify; to clear from anything noxious, offensive, or erroneous; to cleanse; to purge; as, to expurgate a book.
Wiktionary
vb. (present participle of expurgate English)
Usage examples of "expurgating".
Yossarian was busy expurgating all but romance words from the letters when the chaplain sat down in a chair between the beds and asked him how he was feeling.
Weems is re-reading the report with renewed urgency, in the event it requires expurgating on the stroll to the copy machine.