the.com/soliloquy

Talking to yourself, but with stage lighting and a paying audience eavesdropping.

means A speech in which a character, alone on stage, voices their private thoughts aloud for the audience to hear.

from Coined from Latin: 'solus' (alone) plus 'loqui' (to speak), so literally 'a speaking alone.' The blended Latin form 'soliloquium' is credited to St. Augustine, who used it as a title for a work imagining a dialogue with his own reason; it entered English in the 17th century and found its natural home in the theatre.

Latin roots
From solus alone plus loqui to speak
Hamlet hoarder
Hamlet has seven, more than any other character
Not a monologue
Nobody onstage is meant to hear it
Mind leak
Shakespeare's hack for showing private thought
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