The inexpungible scent of a bottle of perfume he had broken.    From Wordnet, Princeton University. 

Still, Japan will no longer accept the assumption that, because of an inexpungible war guilt, it is somehow forever ineligible for its own form of nationalism.    From Wordnik.com.  [The Last Word: Japan's Move To Normality] Reference

Something unmentionable had happened in which he was vicariously but inextricably implicated; a gross, black, inexpungible blot had fallen on Scott-King overnight.    From Wordnik.com.  [The Complete Stories]

No, they are zealots, with a quasi-religious faith in the inherent benignity of these things, and in the inexpungible wickedness of those who oppose them, or cynical opportunists who are quite prepared to sacrifice their country's future for their own personal gain in the present.    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

It was nearly inexpungible.    From Wordnik.com.  [Wah. Wah. Call Me A Wahmbulance.] Reference