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English definition of “operative”

operative

noun [C] uk   /ˈɒp.ər.ə.tɪv/ us    /ˈɑː.pɚ.ə.t̬ɪv/
formal a worker, especially one who is skilled in working with their hands: a factory operativeEmployees and colleagues mainly US a person who works secretly for an organization: a CIA operativeSpying and espionage

operative

adjective uk   /ˈɒp.ər.ə.tɪv/ us    /ˈɑː.pɚ.ə.t̬ɪv/ formal

operative adjective (in use)

working or being used: The agreement will not become operative until all members have signed.
Opposite
FunctioningPerforming a function

operative adjective (medical)

specialized medical relating to a medical operation: an operative technique
(Definition of operative from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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