As a noun nonchalance
is .
As an adjective apathetic is
void of feeling; not susceptible of deep emotion; passionless; indifferent.
nonchalance
English
Noun
(en-noun)
indifference; carelessness; coolness.
Synonyms
* See also:
apathetic
English
Alternative forms
* apathetical
Adjective
(
en adjective)
Void of feeling; not susceptible of deep emotion; passionless; indifferent.
Of, or pertaining to apatheism.
Synonyms
* indifferent. impassive
Related terms
* apatheism
* apatheist