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