Source : Webster's Revised Unabridged Dictionary (1913)

Angry \An"gry\, a. [Compar. {Angrier}; superl. {Angriest}.] [See
   {Anger}.]
   1. Troublesome; vexatious; rigorous. [Obs.]

            God had provided a severe and angry education to
            chastise the forwardness of a young spirit. --Jer.
                                                  Taylor.

   2. Inflamed and painful, as a sore.

   3. Touched with anger; under the emotion of anger; feeling
      resentment; enraged; -- followed generally by with before
      a person, and at before a thing.

            Be not grieved, nor angry with yourselves. --Gen.
                                                  xlv. 5.

            Wherefore should God be angry at thy voice?
                                                  --Eccles. v.
                                                  6.

   4. Showing anger; proceeding from anger; acting as if moved
      by anger; wearing the marks of anger; as, angry words or
      tones; an angry sky; angry waves. ``An angry
      countenance.'' --Prov. xxv. 23.

   5. Red. [R.]

            Sweet rose, whose hue, angry and brave. --Herbert.

   6. Sharp; keen; stimulated. [R.]

            I never ate with angrier appetite.    --Tennyson.

   Syn: Passionate; resentful; irritated; irascible; indignant;
        provoked; enraged; incensed; exasperated; irate; hot;
        raging; furious; wrathful; wroth; choleric; inflamed;
        infuriated.

Source : WordNet®

angry
     adj 1: feeling or showing anger; "angry at the weather"; "angry
            customers"; "an angry silence"; "sending angry letters
            to the papers" [ant: {unangry(p)}]
     2: (of the elements) as if showing violent anger; "angry clouds
        on the horizon"; "furious winds"; "the raging sea" [syn: {furious},
         {raging}, {tempestuous}, {wild}]
     3: severely inflamed and painful; "an angry sore"
     [also: {angriest}, {angrier}]

angriest
     See {angry}