Definition of "facial expression" [facial expression]

• The expression or countenance that seems to an onlooker to be represented by the appearance of a person's face, resulting from specific use of that person's facial muscles. (noun)

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• "Erick talks excitedly about his recent trip to Disney World, but his blank, emotionless facial expression contradicts his mood and puzzles his conversation partners."
• "Dr. Gail smiled—if you could call such a condescending facial expression a smile."