abil SUFFIX
-able, -ble; having the passive quality, able to, able to be;
improperabil.is ADJ 3 2 NOM S C POS
improperabil.is ADJ 3 2 VOC S C POS
improperabil.is ADJ 3 2 GEN S X POS
improperabil.is ADJ 3 2 ACC P C POS
impropero, improperare, improperavi, improperatus V (1st) [XXXEO] uncommon
blame (person); reproach (with), taunt, upbraid (L+S);
impropero, improperare, improperavi, improperatus V (1st) INTRANS [XXXFS] veryrare
hasten into, enter hastily;

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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.