1. speaking or performing a long speech in which one person talks alone, often without interruption from others
Usage: British spelling; American spelling is 'monologizing'; present participle of 'monologue' used as a verb

Examples

• The actor spent ten minutes monologising about the character's troubled past.
• She was monologising so much that no one else could get a word in.
• He kept monologising about his problems instead of listening to others.
• The comedian was monologising on stage when the audience started to lose interest.
• During the meeting, the manager was monologising rather than inviting team input.
• The character in the play was monologising when the lights suddenly went out.