1. A writer of dialogues 
2. A speaker in a dialogue

Derived forms: dialogists

• pangolin
• pangram
• panhandle
• panhandler
• Panhellenism
• panhysterectomy
• panic
• panic attack
• panic button
• panic disorder
• panic grass
• panic-stricken
• panic-struck
• panicked
• panicky
• panicle
• panicled
• panicled aster
• paniculate
• Panicum
• Panicum capillare
• Panicum miliaceum
• Panicum Texanum
• Panicum virgatum
• Panini