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

See also: disdainful

• sheer
• sheesh
• sheesha
• sheet
• sheet anchor
• sheet bend
• sheet glass
• sheet iron
• sheet lighting
• sheet metal
• sheet music
• sheet of paper
• sheet pile
• sheet piling
• sheet web
• sheet-metal work
• sheeting
• sheetlike
• Sheetrock
• Sheffield
• shegetz
• sheik
• sheika
• sheikdom
• sheikh