weakness

Universal Words noun 1 [U] lack of strength, power or determination: The sudden weakness in her legs made her stumble. * the weakness of the dollar against the pound * He thought that crying was a sign of weakness. 2 [C] a weak point in a system, sb's character, etc: It's important to know your own strengths and weaknesses. * Can you spot the weakness in her argument? 3 [C,usually sing.] ~ (for sth/sb) difficulty in resisting sth/sb that you like very much: He has a weakness for chocolate.