[ sə'lɪləkwi ]
■ noun ( plural soliloquies ) an act of speaking one's thoughts aloud when alone or regardless of hearers, especially by a character in a play.
Derivatives
soliloquist noun
soliloquize or soliloquise verb
Origin
ME: from late L. soliloquium , from L. solus 'alone' + loqui 'speak'.