<span class="searchmatch">nonproofs</span> plural of <span class="searchmatch">nonproof</span>...
non-proof From non- + proof. <span class="searchmatch">nonproof</span> (plural <span class="searchmatch">nonproofs</span>) A failure to prove something; the absence of a proof Here is another <span class="searchmatch">nonproof</span> of the existence of God...