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

• inmarriage
• inmarry
• inmate
• inmost
• inn
• innards
• innate
• innate immunity
• innate reflex
• innately
• innateness
• inner
• inner circle
• inner city
• inner ear
• Inner Hebrides
• Inner Light
• Inner Mongolia
• inner product
• inner resource
• inner salt
• inner tube
• innermost
• innersole
• innervate