adj.

1. Impermeable by air.
2. Having no weak points; sound: an airtight excuse.

adj

Definition: certain
Antonyms: possible, questionable, uncertain

adj

Definition: sealed, impenetrable
Antonyms: loose, open, penetrable, permeable, unclosed, unsealed

---

Note: click on a word meaning below to see its connections and related words.

The adjective has 2 meanings:

Meaning #1: having no weak points

Meaning #2: not allowing air or gas to pass in or out
  Synonym: gas-tight

---

Dansk (Danish)
adj. - lufttæt

Nederlands (Dutch)
luchtdicht, waterdicht (figuurlijk)

Français (French)
adj. - hermétique, étanche à l'air

Deutsch (German)
adj. - luftdicht

Ελληνική (Greek)
adj. - αεροστεγής, ερμητικός, (καθομ.) απόλυτα ξεκαθαρισμένος

Italiano (Italian)
ermetico

Português (Portuguese)
adj. - hermético, à prova de ar, invulnerável

Русский (Russian)
не пропускающий воздух

Español (Spanish)
adj. - hermético, irrecusable

Svenska (Swedish)
adj. - lufttät

中文（简体） (Chinese (Simplified))
不透气的, 密闭的, 无懈可击的

中文（繁體） (Chinese (Traditional))
adj. - 不透氣的, 密閉的, 無懈可擊的

한국어 (Korean)
adj. - 밀폐한, 기밀의, 공격할 틈이 없는

日本語 (Japanese)
adj. - 空気を通さない, 隙のない

العربيه (Arabic)
‏(صفه) سداده هوائيه, محكم ألسد‏

עברית (Hebrew)
adj. - ‮אטום לאוויר, אטים, בלתי חדיר, משכנע‬

If you are unable to view some languages clearly, click here.

To select your translation preferences click here.