Merriam-Webster's Word of the Day for August 23, 2026, is prowess. Prowess signifies a person's exceptional ability, skill, or talent in a particular area. It can describe a musician's vocal skills or a lawyer's high level of expertise. For instance, an artist might demonstrate instrumental prowess on multiple instruments. The word has been part of the English language since the 13th century. Initially, it encompassed bravery, skill, and valor, particularly in military contexts. It also referred to individual acts of daring or heroism, often in the plural form. The meaning of "extraordinary ability" emerged in the 17th century. This modern meaning typically uses the singular form of the word. It is used to highlight intellectual capabilities or proficiency in specific fields like fundraising.