locks, locked, locking

to lock in
phrasal verb

Secure a decision or agreement firmly
  • 1We need to lock in the contract by tomorrow.
  • 2They locked in their travel plans last week.
To make sure a decision or agreement is definite and cannot be changed. It's like putting a lock on it so it stays in place. It means to confirm something firmly and securely.
Card
Remember, "to lock in" is like sealing a deal in a contract. Use it when you want to make sure everyone is committed and there are no doubts left. It's a strong way to finalize plans.
at the grocery store
Finalizing the Grocery List
Nancy
I think we should get the organic apples.
Daniel
Agreed, let's lock in that choice for our fruit selection.
Nancy
Great, now let's move on to the vegetables.
Daniel
Sure, let's make it quick.
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Similar to "to lock in":
  • 1finalize
  • 2confirm