1. 
   Nonchalantly
   Non'cha·lant`ly adverb In a nonchalant, indifferent, or careless manner; coolly.
   Found op http://www.encyclo.co.uk/webster/N/29
   
   
2. 
   Nonchalantly
   • (adv.) In a nonchalant, indifferent, or careless manner; coolly. • (adv.) In a nonchalant, indifferent, or careless manner; coolly.
   Found op http://thinkexist.com/dictionary/meaning/nonchalantly/
   
   
3. 
   nonchalantly
   1) Coolly 2) Nervelessly
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/nonchalantly/1
   
   

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