1. Deliberately impassive in manner
   "his face remained expressionless as the verdict was read"
   - deadpan, impassive, poker-faced, unexpressive, straight-faced

See also: incommunicative, uncommunicative

• pestilential
• pestis
• pestis ambulans
• pestis bubonica
• pestle
• pesto
• pet
• pet name
• pet peeve
• PET scanner
• pet shop
• pet sitter
• pet sitting
• peta-
• petabit
• petabyte
• petaflop
• petal
• petaled
• petalled
• petalless
• petallike
• petaloid
• petalous
• petard