nonchalantly
(adverb)
adverb
1. in a composed and unconcerned manner
Similar word(s): coolly, nervelessly
2. in an unconcerned manner
Similar word(s): casually
(adverb)
1. in a composed and unconcerned manner
Similar word(s): coolly, nervelessly
2. in an unconcerned manner
Similar word(s): casually