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English definition of “invaluable”

invaluable

adjective     /ɪnˈvæljuəbl/
extremely useful: invaluable advice/experiencean invaluable asset/contribution/resource He has proved to be an invaluable asset to the company.invaluable to/for sb The data will be invaluable to researchers in determining costs.
(Definition of invaluable adjective from the Cambridge Business English Dictionary © Cambridge University Press)
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