0 a serious expression on your face that you use when you do not want someone to know that you think something is funny:
Blake looked ridiculous in leather trousers, and I was desperately trying to keep a straight face.
1 an expression on your face that shows on emotion in order to hide what you really think or feel:
I congratulate him on being able to say it with a straight face.
I do say it with a straight face.
After all, it is a rare art to be able to do something with a straight face which is so palpably absurd.
I noticed that he had difficulty in keeping a straight face while he said it.
How can they possibly talk about thrift with a straight face?
It was, of course, that very professionalism which allowed him to keep a straight face throughout the course of his discussion.
He was a most amusing and courageous person, and like many of us, could not keep a straight face on parade.
I simply do not know how he managed to keep a straight face as he read out those comments.
