lewd

Short definition from Wiktionary

Adjective

1. 1
   Lascivious, sexually promiscuous, rude.
2. 2
   Lay; not clerical.
3. 3
   Uneducated.
4. 4
   Vulgar, common; typical of the lower orders.
5. 5
   Base, vile, reprehensible.

Noun

1. 1
   A sexually suggestive image, particularly one which does not involve full nudity.

Verb

1. 1
   To express lust; to behave in a lewd manner.
2. 2
   To sexualize a character, especially in a fan illustration.
3. 3
   Alternative form of lude (“take the drug quaalude”).