To save this word, you'll need to log in.
Share keep a straight face
keep a rein on
keep a secret
keep a sharp eye on
keep a straight face
keep at it
keep a watchful eye on (someone or something)
keep a watch out for
Cite this Entry
“Keep a straight face.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keep%20a%20straight%20face. Accessed 1 Oct. 2020.
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).
See Definitions and Examples »
Get Word of the Day daily email!
Challenging Vocabulary Quiz Returns!
Can you spell these 10 commonly misspelled words?
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Not all words are created equal.
When a few letters make a large difference
Words from the week of 9/25/2020
We'll map it out for you.
We're intent on clearing it up
We're gonna stop you right there
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
No tricks, just difficult words.
More/moor than/then two/too/to.
Do you know the person or title these quotes desc...