Answer: SEALUP

Possible questions:


Secure we know 26 Answers
Close tightly we know 4 Answers
Make airtight we know 3 Answers
Make watertight we know 4 Answers
Close securely we know 3 Answers
Close tight we know 2 Answers
Make hermetic we know 2 Answers
Thoroughly confine we know 1 Answer
Make airtight, maybe we know 1 Answer
Close off, as a tomb we know 1 Answer

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