The word of the day for August 14, 2026, is vacuous. Vacuous is a formal adjective describing a lack of thought, intelligence, or substance. It suggests emptiness or a void in mental content. The recent film, despite promotion, was criticized for dullness and characters speaking hollow phrases. Similarly, Harper Lee's work is described as substantial, not vacuous, highlighting its historical impact. The word vacuous shares its root with "vacuum," both originating from the Latin word "vacuus," meaning empty. This Latin root also led to words like "vacuity," "evacuate," "vacation," "vacancy," and "void." Initially, "vacuous" in English referred to physical emptiness. Over time, its meaning evolved to its current figurative sense, describing a person lacking mental substance. This gradual shift occurred centuries after its introduction to the English language.