overdramaticadj.

1861 Times 30 Nov. 5/6 Mr. George Vandenhoff's well-marked, pointed, and perhaps over-dramatic declamation of the text of Mr. Bartholomew was thoroughly to the taste of the audience.

1878 St. Joseph (Mich.) Herald 8 June 1/3 How over-dramatic! We are too cloyed with a too-studied and too-voluptuous style.

1931 College Eng. 2 243 Yet it is primarily a dramatic song, and an overdramatic reading will render it less effectively than singing.

2002 N.Y. Rev. Bks. 14 Mar. 25/2 The lighting was overdramatic, casting sharp shadows where they were not wanted.