airtight
adjective
airtight is spelled A-I-R-T-I-G-H-T: 8 letters and 2 syllables. It appears about once in every 1 million words in written English, the 30,789th most frequent word form (wordfreq, 2021 data). As an adjective, airtight means “Impermeable to air or other gases” (English Wiktionary, September 2026).
How many letters and syllables are in airtight?
| Letters | 8: A-I-R-T-I-G-H-T |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 1 million words; the 30,789th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is airtight?
Airtight appears about once in every 1 million words in written English, the 30,789th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce airtight?
Airtight has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-airtight.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with airtight
Also written: air-tight (one word or two).
Sources: English Wiktionary (homophones, alternative spellings).
Forms of airtight
- more airtight comparative
- most airtight superlative
- air-tight
- air tight
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does airtight mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Impermeable to air or other gases.
- 2
Having no weak points or flaws.
We have an airtight argument they won’t be able to punch holes in.
- 3
Highly 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.
- 4
Triply penetrated simultaneously in the vagina, anus and mouth.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Airtight in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | hermétique, étanche , en béton |
| German | luftdicht, hermetisch , hieb- und stichfest, wasserdicht |
| Portuguese | hermético, impermeável , inexpugnável |
| Spanish | hermético , irrefutable |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does airtight come from?
From air + tight.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).