deadpan

Từ điển Oxford Learners Wordfinder Dictionary

I - adjective

deliberately impassive in manner
- deadpan humor
- his face remained expressionless as the verdict was read
• Syn:
expressionless, impassive, poker-faced, unexpressive
• Similar to:
uncommunicative, incommunicative
• Derivationally related forms:
impassiveness (for: impassive)

II - adverb

without betraying any feeling
- she told the joke deadpan