simple past tense and past participle of deadpan

Deliberately impassive or expressionless. / Having such a face or look. / Impassive.

In a deadpan manner.

A style of comedic delivery in which something humorous is said or done while not exhibiting a change in emotion or facial expression.

To express (oneself) in an impassive or expressionless manner.

Third-person singular simple present indicative form of deadpan

present participle of deadpan