The definition of insouciant is a person who is calm, without cares or concerns.(adjective)
An example of an insouciant person is someone sitting by the pool and sipping a cocktail while on vacation.
See insouciant in Webster's New World College Dictionary
Origin: Fr < in-, not + souciant, prp. of soucier, to regard, care < L sollicitare: see solicit
See insouciant in American Heritage Dictionary 4
Origin: : in-, not (from Old French; see in-1)
Origin: + souciant
Origin: , present participle of soucier, to trouble (from Old French, from Vulgar Latin *sollicītāre, alteration of Latin sollicitāre, to vex; see solicit).
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