| airt | If your windows are not airtight, moisture will seep in. |
| airt | These containers are airtight. |
| airt | This food will keep for a week in an airtight container. |
| airt | v. i. |
| airt | v. t.
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| airtight | (adj) having no weak points, Syn. air-tight, Example: an airtight defense; an airtight argument |
| airtight | (adj) not allowing air or gas to pass in or out, Syn. gas-tight, air-tight |