Home Dee Dee Word of the Day Word of the Day – Mar. 21 – Cavalier Dee DeeWord of the Day Word of the Day – Mar. 21 – Cavalier By Staff mB - March 21, 2018 1738 Dee Dee – Word of the Day Adjective: Cavalier (kav-uh-LEER) Definition: Careless; showing disregard; arrogant and haughty. Example sentence: The writer was cavalier about the truth and included multiple fallacies in the article.