IPA(key): /ˌʌnbəˈliːvəbl̩/ <span class="searchmatch">unbelievable</span> (comparative more <span class="searchmatch">unbelievable</span> or (rare) <span class="searchmatch">unbelievabler</span>, superlative most <span class="searchmatch">unbelievable</span> or (rare) unbelievablest)...
From <span class="searchmatch">unbelievable</span> + -ability. <span class="searchmatch">unbelievability</span> (uncountable) The state or quality of being <span class="searchmatch">unbelievable</span>....
<span class="searchmatch">unbelievabler</span> (rare) comparative form of <span class="searchmatch">unbelievable</span>: more <span class="searchmatch">unbelievable</span>...
From <span class="searchmatch">unbelievable</span> + -ness. <span class="searchmatch">unbelievableness</span> (uncountable) The state or quality of not being believable....
From <span class="searchmatch">unbelievable</span> + -ly. <span class="searchmatch">unbelievably</span> (comparative more <span class="searchmatch">unbelievably</span>, superlative most <span class="searchmatch">unbelievably</span>) (manner) In a manner that one does not or cannot...
super-<span class="searchmatch">unbelievable</span> (comparative more super-<span class="searchmatch">unbelievable</span>, superlative most super-<span class="searchmatch">unbelievable</span>) Alternative form of superunbelievable. 2018 March 19, Eliza...
unbelievablest (rare) superlative form of <span class="searchmatch">unbelievable</span>: most <span class="searchmatch">unbelievable</span>...
noncredible (not comparable) Not credible. Synonyms: incredible, <span class="searchmatch">unbelievable</span> Antonyms: believable, credible Coordinate terms: incredible, <span class="searchmatch">unbelievable</span>...