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

See also: disdainful

• rhombohedron
• rhomboid
• rhomboid minor muscle
• rhomboid muscle
• rhomboidal
• rhomboideus major muscle
• rhombus
• rhonchus
• Rhone
• Rhone River
• Rhone wine
• Rhone-Alpes
• RHS
• rhubarb
• rhubarb pie
• rhubarb plant
• rhumb
• rhumb line
• rhumba
• Rhus
• Rhus aromatica
• Rhus copallina
• Rhus dermatitis
• Rhus diversiloba
• Rhus glabra