adjective
- marked by or accomplished with a careful pretense of seriousness or calm detachment; impassive or expressionless: deadpan humor.
- displaying no emotional or personal involvement: a deadpan style.
adverb
- in a deadpan manner: He spoke his lines utterly deadpan.
verb (used with or without object), dead·panned, dead·pan·ning.
- to behave or perform in a deadpan manner.
noun Also dead pan.
- a face showing no expression.
- a style of comedy that relies on the comedian’s maintaining such a face.
adjective, adverb
- with a deliberately emotionless face or mannerdeadpan humour