Dialogue noun – An exchange of views for the purpose of exploring a subject or deciding an issue. Soliloquy is an antonym for dialogue in talk topic. Nearby Words: dialog, dialogued, dialoguing, dialogic
If they're practicing a speech to someone else, it can be a Trick Dialogue — and may feature Unaccustomed as I Am to Public Speaking.... If it's delivered to some other object—a pet, a tombstone, a skull—it's a Surrogate Soliloquy.