megalogue/ˈmɛɡəlɒɡ/EtymologyBlend of mega- + dialogue. By surface analysis, mega- + -logue.megalogue means A simultaneous conversation involving a large number of people Lexicurio rates it Sui generis — a strength score of 88 out of 100.nounA simultaneous conversation involving a large number of people“It started a few months ago when this megalogue finally prodded me into belated action.”