Synonyms of 'soliloquy'
usage note:Although soliloquy and monologue are close in meaning, you should take care when using one as a synonym of the other. Both words refer to a long speech by one person, but a monologue can be addressed to other people, whereas in a soliloquy the speaker is always talking to himself or herself.
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He had scheduled an address to the people for that evening.
If you refer to a long speech by one person during a conversation as a monologue, you mean it prevents other people from talking or expressing their opinions.
He ignored the question and continued his monologue.
Thesaurus for soliloquy from the Collins English Thesaurus
A soliloquy is a speech in a play in which an actor or actress speaks to himself or herself and to the audience , rather than to another actor.