From un- + formidable. <span class="searchmatch">unformidable</span> (comparative more <span class="searchmatch">unformidable</span>, superlative most <span class="searchmatch">unformidable</span>) Not formidable....
formidability formidableness formidably informidable superformidable <span class="searchmatch">unformidable</span> causing fear, dread, awe or admiration as a result of size, strength...
cold accretion called the world, which, so terrible in the mass, is so <span class="searchmatch">unformidable</span>, even pitiable, in its units. (astrophysics) The formation of planets...