1. In a proud and domineering manner
   - cavalierly 
2. Without respect; in a disdainful manner
   - contemptuously, scornfully, contumeliously, opprobriously

See also: disdainful

• spitting snake
• spittle
• spittle insect
• spittlebug
• spittoon
• spitz
• Spitzbergen
• spiv
• Spizella
• Spizella arborea
• Spizella passerina
• Spizella pusilla
• splanchnic
• splanchnic nerve
• splash
• splash around
• splash-guard
• splashboard
• splashdown
• splashed
• splasher
• splashiness
• splashing
• splashy
• splat