Sentence examples for are airtight from inspiring English sources
adjective
Being impermeable to air or other gases.
Make sure food wrappings are airtight.
No containers are airtight, but the air supply is restricted.
They are airtight, washable and environmentally friendly substitutes for plastic wrap or foil.
I don't know if the president's rules are airtight, but they are good enough to have outraged Republican Senators John McCain, Lindsey Graham and Kelly Ayotte.
1999′s best-performing S&P 500 stock has a few worries these days, like the bruising it's taken on the Nasdaq since January, like whether its patents are airtight, and more pressing how it will win China over to its technology.
But the only way this can happen is if the releases in the servicing settlement are airtight -- only releasing the banks from behavior related to robo-signing and nothing else.
Their penalty killing was airtight.
But no method is airtight.
At least we thought it was airtight.
It is airtight and intense, Dwight Garner writes.
