Sami Kapanen's speed is so obvious he could be nonchalant about it if he wanted.
From the usatoday.com
When the players looked around the packed RCA Dome, the glances were nonchalant.
From the usatoday.com
Credit those residual shivers to a nonchalant, nonpareil master of the creep-out.
From the time.com
Coleman's finish from 10 yards out, high and into the far corner, was nonchalant.
From the guardian.co.uk
You acted nonchalant about your inaugural, as if it is just another inauguration.
From the thestate.com
In the past oil companies often adopted a nonchalant approach to the environment.
From the economist.com
His Permanent Secretary is nonchalant and tells him not to take it too seriously.
From the en.wikipedia.org
How can he be so nonchalant about a company that basically employs slave labor.
From the forbes.com
Adolescence is at its most self-conscious when it tries to appear nonchalant.
From the time.com
More examples
Casual: marked by blithe unconcern; "an ability to interest casual students"; "showed a casual disregard for cold weather"; "an utterly insouciant financial policy"; "an elegantly insouciant manner"; "drove his car with nonchalant abandon"; "was polite in a teasing nonchalant manner"
(nonchalantly) coolly: 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"
(nonchalantly) casually: in an unconcerned manner; "glanced casually at the headlines"
(nonchalance) the trait of remaining calm and seeming not to care; a casual lack of concern
Nonchalant is a singer, rapper, and songwriter from Washington, D.C. She had a hit in 1996 with the gold single "5 O'clock", which peaked at #20 on the Billboard 200.
Casually calm and relaxed; Indifferent; unconcerned; behaving as if detached