The Collaborative International Dictionary of English v.0.48:
Lewd \Lewd\ (l[=u]d), a. [Compar. Lewder (-[~e]r); superl.
Lewdest.] [OE. lewed, lewd, lay, ignorant, vile, AS.
l[=ae]wed laical, belonging to the laity.]
1. Not clerical; laic; laical; hence, unlearned; simple.
For if a priest be foul, on whom we trust,
No wonder is a lewed man to rust. --Chaucer.
So these great clerks their little wisdom show
To mock the lewd, as learn'd in this as they. --Sir.
2. Belonging to the lower classes, or the rabble; idle and
lawless; bad; vicious. [Archaic] --Chaucer.
But the Jews, which believed not, . . . took unto
them certain lewd fellows of the baser sort, . . .
and assaulted the house of Jason. --Acts xvii.
Too lewd to work, and ready for any kind of
3. Given to the promiscuous indulgence of lust; dissolute;
lustful; libidinous. --Dryden.
4. Suiting, or proceeding from, lustfulness; involving
unlawful sexual desire; as, lewd thoughts, conduct, or
Syn: Lustful; libidinous; licentious; profligate; dissolute;
sensual; unchaste; impure; lascivious; lecherous;
rakish; debauched. -- Lewd"ly, adv. -- Lewd"ness, n.