Vainglorious/ˌveɪnˈɡlɔːriəs/ Definition 1 of 1Pro Tip 1/3Negative Connotation The term 'vainglorious' carries a negative judgement, suggesting excessive vanity. His vainglorious strut made him unpopular among his humble peers. Pro Tip 2/3Used in Critique Often used to criticize someone for being overly self-centered or arrogant. The vainglorious leader ignored the team's input entirely. Pro Tip 3/3Less Common 'Vainglorious' is less common in everyday speech; it's more literary or formal. In the novel, the vainglorious knight failed to see his own flaws.