Definition of polyarchical in US English:

polyarchical

adjective

Politics
  • Of, relating to, of the nature of, or characteristic of a polyarchy.

Origin

Mid 17th century; earliest use found in Thomas Urquhart (1611–1660), author and translator. From polyarchy + -ical, after monarchical.

Pronunciation

polyarchical

/ˌpɒlɪˈɑːkɪkl/