From Longman Dictionary of Contemporary Englishvacuityva‧cu‧i‧ty /vəˈkjuːəti, væ- $ væ-/ noun [uncountable] formal STUPID/NOT INTELLIGENTlack of intelligent, interesting, or serious thought
Examples from the Corpus
vacuity• Addressing Honderich's work on its own terms, one must question whether he demonstrates the complete vacuity of Conservative thinking.• He laid aside his paper and allowed himself to be lulled into a rhythmical vacuity by the swaying of the ambulance.• Surely, five hundred years of argument have convinced most reasonable people of the vacuity of this debate.• But the book's principal defect remains the vacuity of its protagonist.Origin vacuity (1500-1600) Latin vacuitas, from vacuus; → VACUOUS 