li·cen·tious 
(lī-sĕnshəs)
(lī-sĕnshəs)adj.
1. Lacking moral restraint, especially in sexual conduct.
2. Archaic Ignoring accepted rules or standards, as of prescriptive grammar.
[Latin licentiōsus, from licentia, freedom, license; see LICENSE.]
li·centious·ly adv.
li·centious·ness n.