airtight

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airtight

Where it comes from

From air + tight.

adjective more airtight · most airtight · air-tight · 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.

    Similar: hermetic

  2. figuratively Having no weak points or flaws. We have an airtight argument they won’t be able to punch holes in.
  3. figuratively, of a person Highly reserved in some matter, particularly tight-lipped or tight-fisted. 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.
  4. figuratively, of a person Triply penetrated simultaneously in the vagina, anus and mouth.

Opposite: breathable, transpirable

Thesaurus

adjective

Opposite: breathable, transpirable

Translations

Every language

adj impermeable to air or other gases

Españolhermético
日本語気密の kimitsu no, 密閉の mippei no
中文氣密的 /气密的 qìmì de, 密封的 mìfēng de
Portuguêshermético, impermeável
Françaishermétique, étanche
Deutschluftdicht, hermetisch
Italianoermetico
Ελληνικάαεροστεγής aerostegís
Русскийгермети́чный germetíčnyj, воздухонепроница́емый vozduxonepronicájemyj

adj having no weak points or flaws

Españolirrefutable
中文無破綻的 /无破绽的 wú pòzhàn de, 嚴密的 /严密的 yánmì de
Portuguêsinexpugnável
Françaisen béton
Deutschhieb- und stichfest, wasserdicht
Ελληνικάαρραγής arragís

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MLA

"airtight." Wiktionary, via Micwyn, micwyn.com/word/airtight. Accessed 6 Nov. 2026.

APA

airtight. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/airtight

Chicago

"airtight." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/airtight.

BibTeX
@misc{airtight_2026,
  title = {airtight},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/airtight},
  urldate = {2026-11-06}
}