1. Not methodically or according to plan
   "he dealt with his course work casually" 
2. In an unconcerned manner
   "glanced casually at the headlines"
   - nonchalantly

See also: casual

• Theravada
• Theravada Buddhism
• there
• there's
• thereabout
• thereabouts
• thereafter
• thereat
• thereby
• therefor
• therefore
• therefrom
• therein
• thereinafter
• thereinto
• theremin
• thereminvox
• thereness
• thereof
• thereon
• Theresa
• thereto
• theretofore
• thereunder
• thereunto