airtight

comparative more airtight · superlative most airtight · alternative air-tight · alternative air tight

1. Impermeable to air or other gases.

   Tupperware founder Earl Tupper in 1946 introduced its plastic products to the public, and subsequently patented their flexible airtight seal.

   2024 September 18, Eliza Ronalds-Hannon, “Tupperware Files for Bankruptcy Amid Declining Sales and Growing Competition”, in Time, archived from the original on 13 Dec 2024

   Synonyms: hermetic

2. figurativelyHaving no weak points or flaws.

   airtight lie

   5 more examples

   We have an airtight argument they won’t be able to punch holes in.

   airtight alibi

   airtight excuse

   airtight will

   She creates an airtight world of her imagining.

   1990 April 28, Patricia Roth Schwartz, “The Odd Couple”, in Gay Community News, page 7

3. figurativelyHighly reserved in some matter, particularly tight-lipped or tight-fisted.

   He was ‘air-tight,’ close-mouthed, and had but few confidants or intimate friends, but numerous acquaintances.

   1915 April, Annals of Iowa, Historical Department of Iowa, series 3, volume 12, page 599

   1 more example

   when Roger asked for $100 to take the preliminary steps to establish his claim, Mike yelled like a Hebrew auctioneer, for he was air-tight and squeezed a dollar until the woman on it yelled.

   1908, The Plumbers Trade Journal, volume 44, Plumbers’ Trade Journal Publishing Company

4. figurativelylifestyleTriply penetrated simultaneously in the vagina, anus and mouth.