To save this word, you'll need to log in.
Definition of keep a straight face
: to not smile or laugh
It was hard to keep a straight face with everyone else laughing.
Comments on keep a straight face
What made you want to look up keep a straight face? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Challenging Vocabulary Quiz Returns!
- Which is a synonym of fuliginous?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share keep a straight face