airtight

See also: air-tight and air tight

English

Alternative forms

• air-tight
• air tight

Etymology

air +‎ tight

Adjective

airtight ‎(comparative more airtight, superlative most airtight)

1. Being impermeable to air or other gases.
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.
   • 1908, The Plumbers Trade Journal, Plumbers’ Trade Journal Publishing Company, volume 44:

     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.

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

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

Synonyms

• (impermeable to air): hermetic

Derived terms

• airtighten
• airtightness

Related terms

• watertight

Translations

being impermeable to air or other gases

• Catalan: hermètic
• Chinese:

  Mandarin: 密封的 ‎(mìfēng de)

• Danish: lufttæt (da)
• Dutch: luchtdicht (nl), hermetisch (nl)
• Finnish: ilmatiivis, hermeettinen (fi), kaasutiivis
• French: hermétique (fr), étanche (fr)
• German: luftdicht (de), hermetisch (de)
• Greek: αεροστεγής (el) ‎(aerostegís)
• Irish: aerdhíonach, aerobach
• Italian: ermetico (it) m

• Japanese: 気密の ‎(きみつの, kimitsu no), 密閉の (ja) ‎(みっぺいの, mippei no)
• Norwegian:

  Bokmål: lufttett

  Nynorsk: lufttett

• Portuguese: hermético (pt), impermeável (pt)
• Russian: гермети́чный (ru) ‎(germetíčnyj), воздухонепроница́емый (ru) ‎(vozduxonepronicájemyj)
• Slovene: zrakotesen m
• Spanish: hermético (es)
• Swedish: lufttät (sv), hermetisk (sv)
• Tagalog: luom

having no weak points or flaws

• Catalan: hermètic
• Chinese:

  Mandarin: 無破綻的, 无破绽的 ‎(wú pòzhàn de)

• Dutch: sluitend (nl), onweerlegbaar

• Finnish: pitävä (fi), vedenpitävä
• German: hieb- und stichfest (de)
• Greek: αρραγής (el) ‎(arragís)
• Portuguese: inexpugnável (pt)

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.

Translations to be checked

• Icelandic: loftþéttur m, loftþétt n and f