airtight
adjective B2- Impermeable to air or other gases.
- Having no weak points or flaws. · We have an airtight argument they won’t be able to punch holes in.· airtight alibi
- Highly reserved in some matter, particularly tight-lipped or tight-fisted.
- Triply penetrated simultaneously in the vagina, anus and mouth.
From the library
Then Oz painted it on the inside with a coat of thin glue, to make it airtight, after which he announced that the balloon was ready.
Learn airtight in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.