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air·tight
 airtight
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- pronunciation:
- eIr
taIt
| part of speech: |
adjective |
| definition 1: |
keeping air in or out.
Please put whatever you don't eat in an airtight container so that it will still be fresh tomorrow. |
| definition 2: |
having no weak points that could be open to attack.
I knew I had an airtight excuse for not doing my homework when I showed my teacher the note from the hospital. |
| related words: |
tight |
| derivation: |
airtightness (n.) |
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