Definition of hegemoniac in English:

hegemoniac

adjective

rare
  • Hegemonic.

Origin

Mid 17th century (in an earlier sense). As noun either an alteration (after nouns in -ac) of hegemonic, or perhaps from ancient Greek ἡγεμόνιος guiding, epithet of Hermes, guide of departed souls + -ac.

Pronunciation

hegemoniac

/ˌhɛɡɪˈməʊnɪak//ˌhɛdʒɪˈməʊnɪak//ˌhiːɡɪˈməʊnɪak/