nervelessly

from WordNet (r) 3.0 (2006)
nervelessly
    adv 1: 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 coolly as a butcher" [syn:
           {coolly}, {nervelessly}, {nonchalantly}]
    

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