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
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]
The emperor . . . performed his part with much
dramatic effect. --Motley.
3. striking in appearance or effect; vivid; having a
thrilling effect; as, a dramatic sunset; a dramatic pause.
[WordNet sense 2]
Syn: spectacular, striking.
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]