Merriam-Webster's Word of the Day for October 8, 2026 is:etiquette \ET-ih-kut\ noun Etiquette refers to rules or customs that dictate what behavior is considered appropriate and expected in a particular setting. // Her failure to respond to the invitation was a serious breach of etiquette. See the entry > Examples: “My first interaction with The Real Housewives franchise happened sometime in 2015, when my partner became hooked