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Definition white whale in British English

white whale noun

noun
1

something that someone pursues obsessively and with little chance of success

Example

This problem is my white whale perhaps, or some other thing that will never get finished.

2

a product that is potentially very successful but hard to get accepted

Example

If the decision maker doesn't feel an urgency to deploy your product, you're probably chasing a white whale.

Definition white whale in British English