The term MORE FLIGHTY can be defined by two crossword solutions: GIDDIER (7 letters) and DITSIER (7 letters). Giddier is an adjective that means 'more lighthearted, carefree, or frivolous'. Ditsier is an adjective that means 'more silly, foolish, or scatterbrained'. Both words describe someone who is more flighty than usual, meaning they are more likely to act impulsively or without thinking.