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English definition of “invaluable”

invaluable

adjective     /ɪnˈvæl.jʊ.bl̩/
C1 extremely useful: The new job will provide you with invaluable experience. Such data will prove invaluable to/for researchers.Useful or advantageous
(Definition of invaluable adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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