theatricalism: Meaning and Definition of

the•at•ri•cal•ism

Pronunciation: (thē-a'tri-ku-liz"um), [key]
— n.
  1. conduct suggesting theatrical actions or mannerisms, esp. of an extravagant or exhibitionist sort.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.