Definition of monopolylogue in US English:

monopolylogue

noun

historical
  • A dramatic entertainment in which a single performer takes the part of all the characters involved.

Origin

Early 19th century; earliest use found in Playbill. From mono- + poly- + -logue, probably after monopoly.

Pronunciation

monopolylogue

/ˌmɒnə(ʊ)ˈpɒlɪlɒɡ/