airtight

Word Origin & History

also air-tight, "impervious to air," 1760, from air (n.1) + tight. Figurative sense of "incontrovertible" (of arguments, alabis, etc.) is from 1929.

I give you my word I could feel myself heatin' up like an airtight stove.

The mild aroma of Heerenbaai-Tabak filled the airtight groundcar.

It was not airtight, but there would probably be no further investigation.

The bodies had been walled in well enough, but those walls were not airtight.

It was airtight above or below that one spot on the throttle.

He had it installed in an airtight room into which only filtered air could pass.

As this candy will not keep long put it into an airtight box.

They just shut it up in an airtight cell, and then forget all about it.

If there is no hole in the filler cap, the latter should not be screwed down so tightly that an airtight joint will be formed.

A warm floor is secured by laying it double with an airtight interlining of roofing paper or similar substance.

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adj sealed