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English definition of “effective”

effective

adjective (PRODUCING RESULTS)   /ɪˈfek·tɪv/
producing the intended results , or (of a person ) skilled or able to do something well: an effective policy / strategy We’ve found that giving away samples of our product is the most effective way to promote it. She’s an effective administrator and knows how to get things done.
(Definition of effective adjective (PRODUCING RESULTS) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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