The Collaborative International Dictionary of English v.0.48:

Dramatic \Dra*mat"ic\ (dr[.a]*m[a^]t"[i^]k), Dramatical
\Dra*mat"ic*al\ (dr[.a]*m[a^]t"[i^]*kal), a. [Gr. dramatiko`s,
   fr. dra^ma: cf. F. dramatique.]
   Of or pertaining to the drama; as, dramatic arts. [WordNet
   sense 3]
   [1913 Webster]

   2. suitable to or characteristic of or having the qualities
      of, a drama; theatrical; as, a dramatic entrance in a
      swirling cape; a dramatic rescue at sea. Opposite of
      undramatic. [WordNet sense 1] [Narrower terms:
      melodramatic; awe-inspiring, spectacular]
      [WordNet 1.5]

            The emperor . . . performed his part with much
            dramatic effect.                      --Motley.
      [1913 Webster]

   3. striking in appearance or effect; vivid; having a
      thrilling effect; as, a dramatic sunset; a dramatic pause.
      [WordNet sense 2]

   Syn: spectacular, striking.
        [WordNet 1.5]

   4. (Music) marked by power and expressiveness and a
      histrionic or theatrical style; -- of a singer or singing
      voice; as, a dramatic tenor; a dramatic soprano.
      Contrasted to lyric. [WordNet sense 4]
      [WordNet 1.5]