nonchalant
a. உணர்ச்சியற்ற, அக்கறையற்ற, அசட்டையான.
Non`cha`lant", a. Etym: [F., fr. non not (L. non) + chaloir to concern one's self for, fr. L. calere to be warm, to be inflamed with desire, to be troubled. See Non-, and Caldron.] Defn: Indifferent; careless; cool.