from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A face that betrays no sign of emotion.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A face that is expressionless, especially not laughing.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a serious facial expression giving no evidence of interest or amusement
Sorry, no etymologies found.
Hooch listened with a straight face as a young lieutenant testified that all Hooch's whisky had been sold to the sutler at exactly the price it sold for last time.
She shook her head but couldn't keep a straight face and said through the grin, "Definitely."
Fortunately, however, the Iranians returned to form, threatening to resume enrichment, and after several days, the IAEA adopted another meaningless resolution, allowing us to say with a relatively straight face that Iran would remain under IAEA scrutiny, and that we intended to push forward with a referral to the Security Council at the September BOG.