Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “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)
Focus on the pronunciation of invaluable

Definitions of “invaluable” in other dictionaries

Word of the Day


When a boat or a ship sails, it travels on the water.

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More