soliloquy
noun
[ səˈlɪləkwi ]
• an act of speaking one's thoughts aloud when by oneself or regardless of any hearers, especially by a character in a play.
• "Edmund ends the scene as he had begun it, with a soliloquy"
Similar:
monologue,
speech,
address,
lecture,
oration,
sermon,
homily,
stand-up,
aside,
dramatic monologue,
interior monologue,
spiel,
Origin:
Middle English: from late Latin soliloquium, from Latin solus ‘alone’ + loqui ‘speak’.