- requiring little hard work or exertion; "a painless solution to the problem"
- not causing physical or psychological pain; "painless dentistry"
- (painlessly) without pain; "after the surgery, she could move her arms painlessly"
- The fifth season of House premiered September 16, 2008 and ended May 11, 2009. It began to air in a new time slot from September to December: Tuesday 8/7c. Starting January 19, 2009, House moved to Mondays at 8/7c. Sky1 has taken over the rights to screen the show in the UK airing Sundays at 9pm.
- Free from pain; without pain or trouble; Not difficult; easy