Source : Webster's Revised Unabridged Dictionary (1913)

Umbrageous \Um*bra"geous\ (?; 277), a. [Cf. F. ombraqeux shy,
   skittish, suspicious, in OF. also, shady. See {Umbrage}.]
   1. Forming or affording a shade; shady; shaded; as,
      umbrageous trees or foliage.

            Umbrageous grots and caves Of cool recess, o'er
            which the mantling vine Lays forth her purple grape.
                                                  --Milton.

   2. Not easily perceived, as if from being darkened or shaded;
      obscure. [Obs.] --Sir H. Wotton.

   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.

Source : WordNet®

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}]
     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}]