ETYM Latin soliloquium; solus alone + loqui to speak. Related to Sole ly, and Loquacious.
1. A (usually long) dramatic speech intended to give the illusion of unspoken reflections.
2. Speech one makes to oneself; SYN. monologue.
In drama, thinking aloud. A soliloquy is a speech for the benefit of the audience only and by convention is not heard by any other actor on stage at the time.
Scène d'une pièce de théâtre oů un personnage est seul et se parle ŕ lui-même.