From un- + parallelable. <span class="searchmatch">unparallelable</span> (comparative more <span class="searchmatch">unparallelable</span>, superlative most <span class="searchmatch">unparallelable</span>) Incapable of being paralleled; unmatchable...
From <span class="searchmatch">unparallelable</span> + -ness. <span class="searchmatch">unparallelableness</span> (uncountable) The state or condition of being <span class="searchmatch">unparallelable</span>; unmatchableness....