monologuize

verb2

1. •
   To give a monologue; to soliloquize.

   • He kept the ball always going, but did not monologuize, except when he was appealed to as a judge, and then did it with a mellow grace that no man can learn without Natures aid. — 1870
2. •
   To make into a monologue.

   • On the phenomenic level, of course, a dialogue can "monologuize" itself in the same way that a monologue can acquire features of "latent dialogue," etc. (see J. Mukafovsky, 1940a: 146-153) — 1980