Sep 14, 2025 interlocutor ˌin-tər-ˈlä-kyə-tər 5 syllables very rare ‹ noun.one who takes part in dialogue or conversation noun.a man in the middle of the line in a minstrel show who questions the end men and acts as leader › Origin Latin interloqui to speak between, issue an interlocutory decree, from inter- + loqui to speak.