From <span class="searchmatch">misinformed</span> + -ness. <span class="searchmatch">misinformedness</span> (uncountable) The property of being <span class="searchmatch">misinformed</span>....
From <span class="searchmatch">misinformed</span> + -ly. <span class="searchmatch">misinformedly</span> (comparative more <span class="searchmatch">misinformedly</span>, superlative most <span class="searchmatch">misinformedly</span>) In a <span class="searchmatch">misinformed</span> manner....