The Collaborative International Dictionary of English v.0.48:

Rigmarole \Rig"ma*role\, n. [For ragman roll. See Ragman's
   roll.]
   A succession of confused or nonsensical statements; foolish
   talk; nonsense. [Colloq.]
   [1913 Webster]

         Often one's dear friend talks something which one
         scruples to call rigmarole.              --De Quincey.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rigmarole \Rig"ma*role\, a.
   Consisting of rigmarole; frivolous; nonsensical; foolish.
   [1913 Webster]

WordNet (r) 3.0 (2006):

rigmarole
    n 1: a set of confused and meaningless statements [syn:
         rigmarole, rigamarole]
    2: a long and complicated and confusing procedure; "all that
       academic rigmarole was a waste of time" [syn: rigmarole,
       rigamarole]

Moby Thesaurus II by Grady Ward, 1.0:

52 Moby Thesaurus words for "rigmarole":
   absurdity, amphigory, babble, babblement, balderdash,
   bibble-babble, blabber, blather, bombast, claptrap, double-talk,
   drivel, drool, fiddle-faddle, fiddledeedee, flummery, folderol,
   fudge, fustian, gabble, galimatias, gammon, gibber, gibberish,
   gibble-gabble, gobbledygook, hocus-pocus, humbug, jabber, jargon,
   mumbo jumbo, narrishkeit, niaiserie, nonsense, pack of nonsense,
   palaver, prate, prattle, rant, rigamarole, rodomontade, rubbish,
   skimble-skamble, stuff and nonsense, stultiloquence, trash,
   trumpery, twaddle, twattle, twiddle-twaddle, vaporing, waffling