seal

verb C1

Meaning

To seal is to close or secure something tightly, often in a manner that prevents leakage, access, or tampering, thereby ensuring preservation, confidentiality, or integrity of the contents or information contained within.
💡 The term "seal" can often imply a sense of finality or irrevocability, particularly in legal or formal contexts; it is important to distinguish between physical sealing and metaphorical uses, such as sealing an agreement, which may not involve a literal closure.

Example Sentences

Please seal the envelope before sending it to the office .
Please seal the envelope before submitting the official documents .
The researchers seal the samples to prevent contamination during analysis .

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