Wordnet 3.0
ADVERB (1)
1.
in an unconcerned manner;
- Example: "war was breaking out in Europe, but she unconcernedly planned for a holiday"
The Collaborative International Dictionary of English v.0.48:
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]
WordNet (r) 3.0 (2006):
unconcernedly
adv 1: in an unconcerned manner; "war was breaking out in
Europe, but she unconcernedly planned for a holiday"