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Use "vacuousness" in a sentence
"Last night Tory Derek claimed he was fed up with the other housemates' "vacuousness" sic."
"I think that all Paul (Miles) G did was expose American wine consumers as the fickle mob that they are, further validating the vacuousness and self important Parkerist approach to wine: if someone tells me its good then it must be good."
"As for Michelle Rhee, I heartily advise you distance yourself from her before the extent of her vacuousness becomes obvious."