1. Deliberately impassive in manner
   - deadpan, expressionless, impassive, unexpressive, straight-faced

See also: incommunicative, uncommunicative

• predictable
• predictably
• prediction
• predictive
• predictor
• predictor variable
• predigest
• predigested
• predigestion
• predilection
• predispose
• predisposed
• predisposition
• prednisolone
• prednisone
• predominance
• predominant
• predominantly
• predominate
• predominately
• predomination
• preeclampsia
• preemie
• preeminence
• preeminent