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

See also: incommunicative, uncommunicative

• selectable
• selected
• selection
• selective
• selective amnesia
• selective information
• selective jamming
• selective lipectomy
• Selective Service
• Selective Service System
• selective-serotonin reuptake inhibitor
• selectively
• selectivity
• selectman
• selectness
• selector
• selector switch
• selectwoman
• Selenarctos
• Selenarctos thibetanus
• Selene
• Selene setapinnis
• Selene vomer
• selenic
• selenic acid