From <span class="searchmatch">unthinkable</span> + -ity. <span class="searchmatch">unthinkability</span> (usually uncountable, plural <span class="searchmatch">unthinkabilities</span>) The property of being <span class="searchmatch">unthinkable</span>. <span class="searchmatch">unthinkableness</span>...
From <span class="searchmatch">unthinkable</span> + -ness or un- + thinkableness. <span class="searchmatch">unthinkableness</span> (uncountable) The property of being <span class="searchmatch">unthinkable</span>. <span class="searchmatch">unthinkability</span>...
<span class="searchmatch">unthinkabilities</span> plural of <span class="searchmatch">unthinkability</span>...
From <span class="searchmatch">unthinkable</span> + -ly. <span class="searchmatch">unthinkably</span> (comparative more <span class="searchmatch">unthinkably</span>, superlative most <span class="searchmatch">unthinkably</span>) In an <span class="searchmatch">unthinkable</span> manner....
think + -able. IPA(key): /ʌnˈθɪŋkəbəl/ <span class="searchmatch">unthinkable</span> (comparative more <span class="searchmatch">unthinkable</span>, superlative most <span class="searchmatch">unthinkable</span>) Incapable of being believed; incredible...
impensabile + -ità. IPA(key): /im.pen.sa.bi.liˈta/* Rhymes: -a Hyphenation: im‧pen‧sa‧bi‧li‧tà impensabilità f (invariable) <span class="searchmatch">unthinkability</span>, <span class="searchmatch">unthinkableness</span>...
From impensabile + -mente. impensabilmente <span class="searchmatch">unthinkably</span>...
unimaginably, <span class="searchmatch">unthinkably</span> IPA(key): /nezamǐsliʋo/ Hyphenation: не‧за‧ми‧сли‧во незамѝсливо (Latin spelling nezamìslivo) inconceivably, unimaginably, <span class="searchmatch">unthinkably</span>...
most thinkable) Able to be thought or imagined; conceivable. (rare) Morally acceptable or legal. <span class="searchmatch">unthinkable</span> able to be thought or imagined; conceivable...