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English definition of “tenacious”

tenacious

adjective uk   /təˈneɪ.ʃəs/ us  
holding tightly onto something, or keeping an opinion in a determined way: The baby took my finger in its tenacious little fist. There has been tenacious local opposition to the new airport.
tenaciously
adverb uk   /-li/ us  
(Definition of tenacious from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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