[syn: indignant, incensed, outraged, umbrageous]
The Collaborative International Dictionary of English v.0.48:
umbrageous \um*bra"geous\ ([u^]m*br[=a]"j[u^]s; 277), a. [Cf. F.
   ombrageux shy, skittish, suspicious, in OF. also, shady. See
   Umbrage.]
   1. Forming or affording a shade; shady; shaded; as,
      umbrageous trees or foliage.
      [1913 Webster]
            Umbrageous grots and caves
            Of cool recess, o'er which the mantling vine
            Lays forth her purple grape.          --Milton.
      [1913 Webster]
   2. Not easily perceived, as if from being darkened or shaded;
      obscure. [Obs.] --Sir H. Wotton.
      [1913 Webster]
   3. Feeling jealousy or umbrage; taking, or disposed to take,
      umbrage; suspicious. [Obs.] --Bp. Warburton. --
      Um*bra"geous*ly, adv. -- Um*bra"geous*ness, n.
      [1913 Webster]
WordNet (r) 3.0 (2006):
umbrageous
    adj 1: filled with shade; "the shady side of the street"; "the
           surface of the pond is dark and shadowed"; "we sat on
           rocks in a shadowy cove"; "cool umbrageous woodlands"
           [syn: shady, shadowed, shadowy, umbrageous]
    2: angered at something unjust or wrong; "an indignant denial";
       "incensed at the judges' unfairness"; "a look of outraged
       disbelief"; "umbrageous at the loss of their territory" [syn:
       indignant, incensed, outraged, umbrageous]