A conversation between two or more people, especially in a formal context or as part of a literary work. Also refers to an exchange of ideas or opinions.
From Greek dialogos, from dia- (through, across) plus logos (speech, word). Originally meant 'conversation' in ancient Greek, particularly the philosophical conversations recorded by Plato. Entered English via Old French dialogue in the 13th century.
The 'dia-' in dialogue means 'through' or 'across,' suggesting that true dialogue involves ideas flowing between people, not just parallel monologues. Plato's dialogues showed this ideal - characters genuinely listen and build on each other's thoughts, creating new understanding.
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