<span class="searchmatch">undurchdringbarem</span> strong dative masculine/neuter singular of undurchdringbar...
undurchdringbarer undurchdringbaren undurchdringbarer dative <span class="searchmatch">undurchdringbarem</span> undurchdringbarer <span class="searchmatch">undurchdringbarem</span> undurchdringbaren accusative undurchdringbaren undurchdringbare...