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What is another word for is effective?

42 synonyms found

Pronunciation:

[ ɪz ɪfˈɛktɪv], [ ɪz ɪfˈɛktɪv], [ ɪ_z ɪ_f_ˈɛ_k_t_ɪ_v]

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Similar words for is effective:
Opposite words for is effective:
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