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Use "unbelievability" in a sentence
"The former Newcastle striker is a master of the not-rocket-science art of football speak in all its sumptuous moving-forward, shape-holding unbelievability."
"Add to that the sheer unbelievability of, oh, 90% of what happened in the book, and I don't recommend it."
"The climactic fight in the snowstorm took much too long and emphasized the unbelievability and inconsistency of some of the environmental “rules”."