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Definition of pertinacious adjective from the Oxford Advanced Learner's Dictionary

pertinacious

adjective
 
/ˌpɜːtɪˈneɪʃəs/
 
/ˌpɜːrtnˈeɪʃəs/
 (formal)
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  1. determined to achieve a particular aim despite difficulties or oppositionTopics Successc2
    Word Originearly 17th cent.: from Latin pertinax, pertinac- ‘holding fast’ + -ous.
See pertinacious in the Oxford Advanced American Dictionary
Check pronunciation: pertinacious

Nearby words

influence
verb
 
 
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