形容詞 lewd:

1. suggestive of or tending to moral looseness
   同義詞：obscene, raunchy, salacious
2. driven by lust; preoccupied with or exhibiting lustful desires
   同義詞：lascivious, libidinous, lustful

1. Inciting lustful feelings; lewd.
   猥褻的引起欲望的; 淫猥的
2. Something, such as a word, an act, or an expression, that is indecent or lewd.
   猥褻的話不正經或淫猥的事物，如話語、行動或表情
3. He gave her a lewd wink.
   他淫蕩地對她眨了一下眼。

lewd

adj.（形容詞）
lewd.er,lewd.est

Preoccupied with sex and sexual desire; lustful.
放蕩的，淫蕩的：性方面放蕩的和充滿色情欲望的；貪欲的
Obscene; indecent.
下流的；淫穢的
Obsolete Wicked.
【廢語】 邪惡的

來源：
Middle English leued [unlearned, lay, lascivious]
中古英語 leued [無知的，世俗的，猥褻的]
from Old English lôwede [ignorant, lay]
源自 古英語 lôwede [無知的，世俗的]

【引伸】
lewd.ly
adv.（副詞）
lewd.ness
n.（名詞）