Found 2 items, similar to unconcernedly.
English → English (WordNet) Definition: unconcernedly unconcernedly adv : in an unconcerned manner; “war was breaking out in Europe, but she unconcernedly planned for a holiday”
English → English (gcide) Definition: Unconcernedly Unconcerned \Un`con*cerned"\, a. Not concerned; not anxious or solicitous; easy in mind; carelessly secure; indifferent; as, to be unconcerned at what has happened; to be unconcerned about the future. -- Un`con*cern"ed*ly, adv. -- Un`con*cern"ed*ness, n. [1913 Webster] Happy mortals, unconcerned for more. --Dryden. [1913 Webster]