[1] : The Collaborative International Dictionary of English v.0.48

ribaldry \rib"aldry\, n. oe. ribaldrie, ribaudrie, of.
   ribalderie, ribauderie.
   the talk of a ribald; low, vulgar language; indecency;
   obscenity; lewdness; -- now chiefly applied to indecent
   language, but formerly, as by chaucer, also to indecent acts
   or conduct.
   1913 webster

         the ribaldry of his conversation moved ?stonishment
         even in that age.                        --macaulay.
   1913 webster

[2] : WordNet (r) 2.0

ribaldry
     n 1: ribald humor
     2: behavior or language bordering on indelicacy syn: gaminess,
         raciness, spiciness
see also:
gaminess raciness spiciness 

[3] : Moby Thesaurus II by Grady Ward, 1.0

84 moby thesaurus words for "ribaldry":
   rabelaisianism, x-rated movie, bad language, bawdiness, bawdry,
   billingsgate, blue language, blue movie, coarseness,
   colorful language, crassness, crudeness, crudity, cursing, cussing,
   dirt, dirtiness, dirty language, dirty movie, dirty talk,
   dissoluteness, dysphemism, earthiness, erotic art,
   erotic literature, erotographomania, evil speaking, fescenninity,
   filth, filthiness, filthy language, foul language, foulness,
   gaudiness, grossness, iconolagny, immodesty, indecency, indelicacy,
   lasciviousness, lewdness, licentiousness, looseness, loudness,
   lubricity, lustfulness, meretriciousness, nastiness, naughtiness,
   obscenity, offensiveness, pornographic art,
   pornographic literature, pornographomania, pornography,
   profane swearing, profanity, raciness, rakishness, rankness,
   rascality, rawness, roughness, rudeness, salaciousness, salacity,
   scatology, scurrility, sexploitation, shamelessness, skin flick,
   smut, smuttiness, soft-core pornography, stag film,
   strong language, swearing, unparliamentary language,
   unrepeatable expressions, vile language, vileness, vulgar language,
   vulgarity, wantonness

[4] : THE DEVIL'S DICTIONARY ((C)1911 Released April 15 1993)

ribaldry, n.  censorious language by another concerning oneself.

Ribaldry >> R Words
Ribaldry, definition of term: Ribaldry
ribaldry_pag1.html