Lascivious

LASCIV'IOUS, a. L. lascivus, from laxus, laxo, to relax, to loosen.

1. Loose; wanton; lewd; lustful; as lascivious men; lascivious desires; lascivious eyes.
2. Soft; wanton; luxurious.

He capers numbly in a lady's chamber, to the lascivious pleasing of a lute.

Source: King James Dictionary