The crossword solution for the term 'Blithe Spirit' is ELVIRA, which is a 6-letter word. Elvira is the name of the ghost in the 1941 play by Noël Coward, 'Blithe Spirit'. The play is a comedy about a socialite couple whose marriage is disrupted when the husband's deceased first wife returns as a mischievous ghost. Elvira is the ghost of the husband's first wife, and her presence causes chaos and confusion for the couple.