That's what you call a soliloquy — a character's speech voicing his or her own thoughts as if to himself. Shakespeare's plays are full of soliloquies. The noun, soliloquy, comes from the Latin roots, solus alone plus loqui speak meaning a talking to oneself.. A soliloquy is a speech a character gives of his thoughts and reflections. Some of the most famous lines in drama are taken from soliloquies.