airily
From Longman Dictionary of Contemporary Englishairilyair‧i‧ly /ˈeərəli $ ˈer-/ adverb DON'T CAREin a way that shows you are not worried about something or do not think it is serious ‘I don’t really care, ’ he replied airily.Examples from the Corpusairily• "I don't really care, " he said airily.• I wave airily and the face moves away.• It was all right, maybe, for Stephen Hawking to airily dismiss time as a human construct.• Certainly, he seem airily exotic with his cropped hair and face like an oriental cherub.