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to lock in
[phrase form: lock]
01
to shut someone or oneself in a place by locking the door
Example
The hostages were locked in a cell with no means of escape.
02
to secure something tightly in place, preventing leakage, loss, or alteration
Example
To extend the shelf life of perishable items, use airtight containers to lock in freshness and prevent spoilage.
The airtight jar locked in the freshness of the cookies.
The vacuum-sealed bag locked in the air, preserving the food 's flavor and texture.
03
to make something fixed or certain, preventing it from changing
Example
The negotiators locked in the terms of the agreement, preventing further disputes or alterations.
The investor locked in a favorable exchange rate for their currency transaction, ensuring a predictable outcome.
The company locked in the price of their product for a year, providing customers with price certainty.
Example
The hostages were locked in a cell with no means of escape.
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