Adverb: nonchalantly ,nón-shu'laant-lee [N. Amer], nón-shu-lunt-lee [Brit]
- In a composed and unconcerned manner
"without more ado Barker borrowed a knife from his brigade Major and honed it on a carborundum stone as nonchalantly as a butcher";
- coolly, nervelessly
- In an unconcerned manner
"glanced nonchalantly at the headlines";
- casually