with a straight face
- deadpanExpressionless, especially for humor
- poker faceIntentionally expressionless look
- stoicUncomplaining endurer of hardship
- unflinchingRefusing to show fear
- expressionlessShowing no feeling
serious · composed · impassive · blank stare · dry humor · sarcasm · lying · bluffing · pretending · holding back · comedian · delivery · timing · jest · irony · mock · feigned · unreadable
emotional expression
with a straight facelaughing
Making sounds of amusement
cracking up · in stitches · smiling · grinning · chuckling
sincerity/performance
with a straight facetongue in cheek
Humorously insincere manner
winkingly · sarcastically · jokingly · ironically · insincerely