carefree
['kєәfri:]
a. 忧虑, 责

1. Carefree and lighthearted.
   忧虑，松
2. Carefree and nonchalant; jaunty.
   忧虑忧虑；快活
3. Having no commitments or restrictions; carefree.
   随欲束；忧虑

carefree
[ adj ]

1. free of trouble and worry and care

<adj.all>
the carefree joys of childhood
carefree millionaires, untroubled financially

2. cheerfully irresponsible

<adj.all>
carefree with his money
freewheeling urban youths
had a harum-scarum youth

carefree \care"free`\ (k[^a]r"fr[=e]`), adj.
1. Free of trouble and worry and care; as, the carefree joys
of childhood; carefree millionaires, untroubled
financially.

Syn: happy, lighthearted, unworried.
[WordNet 1.5]

2. nonchalant in a cheerful manner.

Syn: breezy, airy.
[WordNet 1.5]

3. cheerfully irresponsible; as, carefree with his money.
Opposite of {careful}.

Syn: devil-may-care, happy-go-lucky, harum-scarum, slaphappy.
[WordNet 1.5]

4. same as {unconcerned}. Opposite of {concerned}.

Syn: blithe.
[WordNet 1.5 +PJC]