Shows mild or soft mockery, less direct than outright jokes. His wry grin suggested he found the mistake amusing but didn't want to be rude.
Pro Tip 2/3
Hidden Humor
Wry suggests humor that's not immediately obvious; you may have to think about it. Her wry observation about the situation made us chuckle once it sank in.
Pro Tip 3/3
Subdued Expression
Often used to describe a facial expression that's subtly humorous or ironic. He listened to the confusing instructions with a wry expression.