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English definition of “useful”

useful

adjective     /ˈjuːs.fəl/
A2 effective; helping you to do or achieve something: A good knife is probably one of the most useful things you can have in a kitchen. Do the exercises serve any useful purpose?Useful or advantageous
(Definition of useful adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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