deadpan
/ˈdeɪdpæn/Definitions
1. adjective
Expressing or characterized by a completely serious and emotionless facial expression, especially when commenting on something humorous or ironic.
“The comedian’s deadpan delivery made the audience laugh even harder.”
2. noun
A style of delivery or expression in which a person’s face remains completely serious and emotionless, often to emphasize irony or humor.
“The actor’s deadpan performance earned him a nomination for best actor.”