wry
adj.adj. having a slightly humorous or sarcastic look on your face. You use this to describe someone who is not angry, but is showing a bit of dry humor.
adj. characterised by a dry, sarcastic, or ironic expression. Often used to describe a facial expression that suggests a person is amused or slightly annoyed without being overtly hostile.
He gave a wry smile when he heard the bad news.
The actor's wry expression suggested he was not entirely pleased with the script but was trying to be professional.
Her wry observation about the situation was met with a mix of laughter and silence, as the group struggled to reconcile her dry humor with the gravity of the moment.
From Middle English wrien, from Old English wrīġian (“to go, turn, twist, bend, strive, struggle, press forward, endeavor, venture”), from Proto-Germanic wrigōną (“to wriggle”), from Proto-Indo-European wreyḱ- (“to turn, wrap, tie”), from *wer- (“to turn, bend”). Compare awry, wriggle.
From Middle English wryen, wrien, wreon, wrihen, from Old English wrēon (“to cover, clothe, envelop”), from Proto-West Germanic wrīhan, from Proto-Germanic wrīhaną (“to wrap, cover”), from Proto-Indo-European wreyḱ- (“to turn, wrap, tie”), from wer- (“to turn, bend”).