нареч. light-heartedly, carelessly
беззаботн|о - light-heartedly, in a care-free manner
(беспечно) carelessly
~ость ж. light-heartedness
(беспечность) carelessness
~ый care-free, light-hearted
(беспечный) careless
~ый человек happy-go-lucky person
~ое детство care-free, untroubled childhood
~ый смех care-free laughter