Impassive.
Deliberately impassive or expressionless.
Having such a face or look.
A style of comedic delivery in which something humorous is said or done while not exhibiting a change in emotion or facial expression.
In a deadpan manner.
To express (oneself) in an impassive or expressionless manner.
difficult to decipher
of, relating to, or written with this system of symbols
Undecipherable handwriting or secret symbol.
Any symbol used in this system; a hieroglyph.
A writing system of ancient Egypt, Minoans, Maya and other civilizations, using pictorial symbols to represent individual sounds as a rebus