From un- + coincidental. <span class="searchmatch">uncoincidental</span> (comparative more <span class="searchmatch">uncoincidental</span>, superlative most <span class="searchmatch">uncoincidental</span>) Not coincidental....
From <span class="searchmatch">uncoincidental</span> + -ly. <span class="searchmatch">uncoincidentally</span> (comparative more <span class="searchmatch">uncoincidentally</span>, superlative most <span class="searchmatch">uncoincidentally</span>) In a way that is <span class="searchmatch">uncoincidental</span>....
Happening or existing at the same time. coincidentalism noncoincidental <span class="searchmatch">uncoincidental</span> cohencidence cohencidental coincidence coincident coincidentally coincidently...
Conflict in the Mass Media[4], page 128: In January 2017, possibly not <span class="searchmatch">uncoincidentally</span> around the time of Trump's inauguration, the idea emerged on Twitter...