Dialogue Di"a*logue (?; 115), n. [OE. dialogue, L. dialogus, fr. Gr. ?, fr. ? to converse, dia` through + ? to speak: cf. F. dialogue. See Legend.] 1. A conversation between two or more persons; particularly, a formal conservation in theatrical performances or in scholastic exercises. 2. A written composition in which two or more persons are represented as conversing or reasoning on some topic; as, the Dialogues of Plato., Dialogue Di"a*logue, v. i. [Cf. F. dialoguer.] To take part in a dialogue; to dialogize. [R.] --Shak., Dialogue Di"a*logue, v. t. To express as in dialogue. [R.] And dialogued for him what he would say. --Shak.