- impurgabilis
- impurgābĭlis ( inp- ), e, adj. [2. inpurgabilis], that cannot be cleansed; trop., inexcusable:
crimen,
Amm. 22, 3, 8.
Lewis & Short Latin Dictionary, 1879. - Revised, Enlarged, and in Great Part Rewritten. Charlton T. Lewis, Ph.D. and Charles Short. 2011.