Longman Dictionary of Contemporary English homepage

Date: 1300-1400
Language: Latin
Origin: , past participle of obstinare 'to be determined'


1 determined not to change your ideas, behaviour, opinions etc, even when other people think you are being unreasonable [= stubborn]:
He was the most obstinate man I've ever met.
Don't be so obstinate!
2 [only before noun] British English difficult to deal with or get rid of:
obstinate stains
a complex and obstinate issue
obstinately adverb
obstinacy noun [uncountable]

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