<span class="searchmatch">floodproofed</span> simple past and past participle of floodproof...
<span class="searchmatch">floodproofing</span> present participle and gerund of floodproof...
simple present floodproofs, present participle <span class="searchmatch">floodproofing</span>, simple past and past participle <span class="searchmatch">floodproofed</span>) (transitive) To make resistant to flooding....