a. rare. [f. SOLILOQUY sb., after forms in -loquent.] Speaking in soliloquy. Also Soliloquial a., of the nature of soliloquy.
1836. Frasers Mag., XIII. 346. They are so wrapped in their own soliloquial musings.
1892. Fun, 14 Sept., 109/1. A tendency to be soliloquent.