Source : Webster's Revised Unabridged Dictionary (1913)

Salacious \Sa*la"cious\, n. [L. salax, -acis, fond of leaping,
   lustful, fr. salire to leap. See {Salient}.]
   Having a propensity to venery; lustful; lecherous. --Dryden.
   -- {Sa*la"cious*ly}, adv. -- {Sa*la"cious*ness}, n.

Source : WordNet®

salaciousness
     n : the trait of behaving in an obscene manner [syn: {obscenity},
          {lewdness}, {bawdiness}, {salacity}]