Definition of histrionicism in English:

histrionicism

noun

  • Histrionic behaviour; pretence, play-acting; exaggerated or excessively theatrical words or behaviour.

Origin

Mid 17th century; earliest use found in Edward Waterhouse (1619–1670), heraldic writer. From either histrionic or histrionic + -ism.

Pronunciation

histrionicism

/ˌhɪstrɪˈɒnɪsɪz(ə)m/