air
tight
1
having no weak points
Synonyms:
2
sealed or closed completely to prevent air or gas from entering or escaping
- The container was airtight, keeping the food fresh for an extended period.
- Airtight doors are crucial in maintaining controlled environments in laboratories.
- The submarine's hull must be airtight to withstand the pressure of deep-sea dives.
- Airtight packaging ensures that electronic components remain free from moisture.
- Airtight seals on windows and doors enhance energy efficiency in buildings.