Untrained; undisciplined; unrestrained; hence, loose; free; luxuriant; roving; sportive.

A roving, frolicsome thing; a trifler; -- used rarely as a term of endearment.

To rove and ramble without restraint, rule, or limit; to revel; to play loosely; to frolic.

indulge in a carefree or voluptuous way of life

become extravagant; indulge (oneself) luxuriously

casual and unrestrained in sexual behavior; "her easy virtue"; "he was told to avoid loose (or light) women"; "wanton behavior"