Used in modern English to mean ‘to deliver a monologue’ or ‘to speak at length without interruption’.
Definitionen
To deliver a monologue; to speak at length without allowing others to participate. He began to monologue about his research for nearly an hour.
Attributive use (noun modifier) treated as adjective: ‘monologue performance’, ‘monologue format’.
Definitionen
Relating to or characteristic of a monologue; consisting of a long single speech. The actress gave a riveting performance in the play’s monologue section.