Definition of dictatorialism in US English:

dictatorialism

noun

  • Dictatorial behaviour or action; the adoption of a dictatorial approach.

Origin

Early 19th century; earliest use found in Anna Porter (1780–1832), novelist. From dictatorial + -ism.

Pronunciation

dictatorialism

/ˌdɪktəˈtɔːrɪəlɪz(ə)m/