nonchalant

nonchalant
[ˈnɒnʃələnt, nɒnʃəˈlaːnt]
adjetivo
1indiferente, despreocupado(a) (británicoUS)

nonchalant [non-cha-lant]
adjetivo
1Descuidado, incuiroso, negligente.

nonchalant [ˈnɒnʃələnt] ?
adjective
1 (casual) [+person, attitude, manner] despreocupado
I tried to look nonchalant intenté adoptar un aire despreocupado
he was always very nonchalant about his role in the affair
she gave a nonchalant wave of her hand agitó la mano con desenfado
2 (indifferent) indiferente
she was very nonchalant about it actuó como si no tuviera ninguna importancia para ella