impur.e ADJ 1 1 VOC S M POS
impurus, impura, impurum ADJ [XXXDX] lesser
unclean, filthy, foul; impure; morally foul;
impure ADV POS
impure, impurius, impurissime ADV [XXXDX] lesser
basely, shamefully, vilely, infamously; impurely;

Credits:
This, our local install of the popular standby Whitaker's Words, is possible thanks to the resurrection of the venerable project at William Whitaker's Words, where you will also find extensive documentation. The corresponding GitHub repository is where you can submit issues about missing forms and analyses.
This web interface by Walter M. Shandruk.