adjective
- not allowing air to enter or escape
- having no weak points that allow for criticism or attack
Usage: figurative
Examples
- Make sure the container is airtight to keep the food fresh.
- The vacuum-sealed bag creates an airtight seal.
- Store the medicine in an airtight bottle.
- The prosecutor presented an airtight case against the defendant.
- Her alibi was airtight and couldn’t be questioned.
- The company needed an airtight contract to protect their interests.
- The airtight jar preserved the cookies for weeks.