1. (noun) the cheerful feeling you have when nothing is troubling you

• insouciance
• lightheartedness
• lightsomeness

1. (noun) the cheerful feeling you have when nothing is troubling you

• blitheness
• cheerfulness

2. (noun) the trait of being without worry or responsibility

• irresponsibility
• irresponsibleness

1. (noun) the trait of being without worry or responsibility

• indifference
• nonchalance
• unconcern

1. (noun) the cheerful feeling you have when nothing is troubling you

• blithe
• blithe
• blithesome
• blithesome
• light-hearted
• light-hearted
• lighthearted
• lighthearted
• lightsome
• lightsome
• carefree
• devil-may-care
• freewheeling
• happy-go-lucky
• harum-scarum
• slaphappy
• casual
• insouciant
• nonchalant

2. (noun) the trait of being without worry or responsibility

• carefree
• unworried