Source : Webster's Revised Unabridged Dictionary (1913)

Outrageous \Out*ra"geous\, a. [OF. outrageus, F. outrageux. See
   {Outrage}, n.]
   Of the nature of an outrage; exceeding the limits of right,
   reason, or decency; involving or doing an outrage; furious;
   violent; atrocious. ``Outrageous weeping.'' --Chaucer. ``The
   most outrageous villainies.'' --Sir P. Sidney. ``The vile,
   outrageous crimes.'' --Shak. ``Outrageous panegyric.''
   --Dryden.

Source : WordNet®

outrageous
     adj 1: grossly offensive to decency or morality; causing horror;
            "subjected to outrageous cruelty"; "a hideous pattern
            of injustice"; "horrific conditions in the mining
            industry" [syn: {hideous}, {horrid}, {horrific}]
     2: greatly exceeding bounds of reason or moderation;
        "exorbitant rent"; "extortionate prices"; "spends an
        outrageous amount on entertainment"; "usorious interest
        rate"; "unconscionable spending" [syn: {exorbitant}, {extortionate},
         {steep}, {unconscionable}, {usurious}]