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English definition of “perfectionist”


noun [C] uk   /pəˈfek.ʃən.ɪst/ us    /pɚ-/
a person who wants everything to be perfect and demands the highest standards possible: She's such a perfectionist that she notices even the tiniest mistakes.Wanting everything to be right
(Definition of perfectionist from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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