Showing a lack of proper concern; dismissive or casual in attitude toward serious matters. Can also refer historically to supporters of King Charles I during the English Civil War.
From French 'cavalier' (horseman, knight), ultimately from Italian 'cavaliere,' from Latin 'caballarius' (horseman). The meaning evolved from 'mounted soldier' to 'gentleman' to 'haughty person,' reflecting the association between nobility, horse ownership, and perceived arrogance.
Try Another Word