The Collaborative International Dictionary
Histrionical
Histrionic \His`tri*on"ic\, Histrionical \His`tri*on"ic*al\, a.
Of or relating to the stage or a stageplayer; befitting a theatre; theatrical.
-
Affectedly dramatic; insincerely emotional; -- sometimes used in a bad sense. -- His`tri*on"ic*al*ly, adv.
Tainted with false and histrionic feeling.
--De Quincey.
Wiktionary
histrionical
a. (context British English) (alternative form of histrionic English)