1The philosopher's critique of the politician's vacuous rhetoric sparked a heated debate about the role of intellectual honesty in public discourse.
2Is it possible to craft a compelling narrative around a vacuous central character, or does the protagonist's emptiness inevitably undermine the story's emotional impact?
3The academic community was dismissive of the researcher's vacuous claims, which were based on flawed methodology and a superficial understanding of the subject matter.
4Avoid using vacuous buzzwords in your job application; instead, focus on demonstrating tangible skills and relevant experience.
5There is a profound difference between a witty remark that is vacuous but charming, and a profound insight that is both witty and intellectually substantial.