reckless (
http://definr.com/reckless)
adj 1: marked by unthinking boldness; with defiant disregard for
danger or consequences; "foolhardy enough to try to
seize the gun from the hijacker"; "became the fiercest
and most reckless of partisans"-Macaulay; "a reckless
driver"; "a rash attempt to climb the World Trade
Center" [syn:
foolhardy,
rash]
2: characterized by careless unconcerned; "the heedless
generosity and the spasmodic extravagance of persons used
to large fortunes"- Edith Wharton; "reckless squandering
of public funds" [syn:
heedless]