Merriam-Webster's Word of the Day for October 1, 2026 is "slew." Slew is an informal noun meaning a large number of people or things. An example is a pile of junk mail with a slew of catalogs. The nonalcoholic drinks category has expanded significantly, offering many thoughtful beverages. A slew of brands now make alcohol alternatives easily available online. Slew emerged as an American colloquialism in the early 19th century. Its origins are uncertain, possibly from the Irish word "slua" meaning "army" or "throng." Early uses appeared in a martial context, describing large numbers of men or cannons. However, the word's meaning broadened beyond military contexts. It is now used to describe nearly anything existing in abundance.