blithely

adv

1. Without care, concern, or consideration.

   “As the bombs fell on the city, the woman blithely continued with her chores.”

   “[…] and now was hardly the time, as Stephen pointed out, to be worried about cleaning up his act, and eliminating the chemical additives and other pollutants that we’re all blithely or not so blithely feasting on, blithely since we’re healthy, healthy as we can be; so far, Ira said.”

   “The episode also opens with an inspired bit of business for Homer, who blithely refuses to acquiesce to an elderly neighbor’s utterly reasonable request that he help make the process of selling her house easier by wearing pants when he gallivants about in front of windows, throw out his impressive collection of rotting Jack-O-Lanterns from previous Halloweens and take out his garbage, as it’s attracting wildlife (cue moose and Northern Exposure theme song).”

   “So I carried on, blithely ignorant. And by the time I saw the stats, there was a 100% chance I’d got it.”

2. In a joyful, carefree manner.
3. (obsolete)In a kind manner.