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English definition of “weakness”

weakness

noun [C/U]  /ˈwik·nəs/ us  
lack of strength or energy: [U] The building’s collapse was caused by weakness in several beams. Weakness is also a fault in someone’s character: [U] Is crying always a sign of weakness? A weakness is also a strong liking for something: [C] She admitted to a weakness for desserts.
(Definition of weakness from the Cambridge Academic Content Dictionary © Cambridge University Press)
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