Entry: insouciant (adj.)
In context:"Hal was confident Pemulis would remove the insouciant hat the minute they were called in on what was presumably going to be the carpet."
Definition: Careless, indifferent, unconcerned.
Other: I love this word.
Etymology: French, < in- (in- prefix3) + souciant caring, present participle of soucier to care < Latin sollicitāre to disturb, agitate.
and I like this too:
1888 Pall Mall Gaz. 12 Jan. 2/1 On such subjects, an insouciant agnosticism is the most philosophic attitude
SNOOT score: 5
Source: Oxford English Dictionary