If your windows are not airtight, moisture will seep in.
Source: tatoeba (20271)
Airtight
Synonyms for "airtight" (59 found)
Ranked by relevance and common usage.
Closest matches (12)
Strong matches (18)
Related words (29)
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
Antonyms
2 entriesSynonyms
2 entriesRelated terms
38 entriesShowing 16 of 38 words.
derived
4 entriesderived from
2 entriesrelated to
9 entriessimilar
3 entriesTranslations
58 translations across 26 languages.
Belarusian
2 entries- герметы́чны adj (impermeable to air or other gases)
- паветранепраніка́льны adj (impermeable to air or other gases)
Catalan
2 entries- hermètic adj (impermeable to air or other gases)
- hermètic adj (having no weak points or flaws)
Chinese Mandarin
4 entries- 嚴密的 /严密的 adj (having no weak points or flaws)
- 密封的 adj (impermeable to air or other gases)
- 氣密的 /气密的 adj (impermeable to air or other gases)
- 無破綻的 /无破绽的 adj (having no weak points or flaws)
Danish
1 entries- lufttæt adj (impermeable to air or other gases)
Dutch
4 entries- hermetisch adj (impermeable to air or other gases)
- luchtdicht adj (impermeable to air or other gases)
- onweerlegbaar adj (having no weak points or flaws)
- sluitend adj (having no weak points or flaws)
Esperanto
1 entries- hermetika adj (impermeable to air or other gases)
Estonian
2 entries- hermeetiline adj (impermeable to air or other gases)
- õhukindel adj (impermeable to air or other gases)
Finnish
4 entries- hermeettinen adj (impermeable to air or other gases)
- ilmatiivis adj (impermeable to air or other gases)
- kaasutiivis adj (impermeable to air or other gases)
- pitävä adj (having no weak points or flaws)
French
3 entries- en béton adj (having no weak points or flaws)
- hermétique adj (impermeable to air or other gases)
- étanche adj (impermeable to air or other gases)
German
4 entries- hermetisch adj (impermeable to air or other gases)
- hieb- und stichfest adj (having no weak points or flaws)
- luftdicht adj (impermeable to air or other gases)
- wasserdicht adj (having no weak points or flaws)
Greek
2 entries- αεροστεγής adj (impermeable to air or other gases)
- αρραγής adj (having no weak points or flaws)
Icelandic
2 entries- loftþéttur adj (impermeable to air or other gases)
- óhrekjandi adj (having no weak points or flaws)
Irish
4 entries- aerdhíonach adj (impermeable to air or other gases)
- aeriata adj (impermeable to air or other gases)
- aerobach adj (impermeable to air or other gases)
- cruinn adj (having no weak points or flaws)
Italian
1 entries- ermetico adj (impermeable to air or other gases)
Japanese
2 entries- 密閉の adj (impermeable to air or other gases)
- 気密の adj (impermeable to air or other gases)
Macedonian
2 entries- воздухонепро́пустлив adj (impermeable to air or other gases)
- херме́тичен adj (impermeable to air or other gases)
Norwegian Bokmål
1 entries- lufttett adj (impermeable to air or other gases)
Norwegian Nynorsk
1 entries- lufttett adj (impermeable to air or other gases)
Polish
2 entries- powietrznoszczelny adj (impermeable to air or other gases)
- szczelny adj (impermeable to air or other gases)
Portuguese
3 entries- hermético adj (impermeable to air or other gases)
- impermeável adj (impermeable to air or other gases)
- inexpugnável adj (having no weak points or flaws)
Russian
2 entries- воздухонепроница́емый adj (impermeable to air or other gases)
- гермети́чный adj (impermeable to air or other gases)
Slovene
1 entries- zrakotesen adj (impermeable to air or other gases)
Spanish
1 entries- hermético adj (impermeable to air or other gases)
Swedish
2 entries- hermetisk adj (impermeable to air or other gases)
- lufttät adj (impermeable to air or other gases)
Tagalog
1 entries- luom adj (impermeable to air or other gases)
Ukrainian
2 entries- гермети́чний adj (impermeable to air or other gases)
- повітронепроникни́й adj (impermeable to air or other gases)
Sample sentences
15 total sentences available.
These containers are airtight.
Source: tatoeba (55051)
This food will keep for a week in an airtight container.
Source: tatoeba (58373)
Preserves must be stored in a jar with an airtight seal.
Source: tatoeba (699981)
Showing 4 of 15 available sentences.
Keep exploring
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.