- 1[uncountable] 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. opposite strength
- 2[countable] a weak point in a system, someone's character, etc. It's important to know your own strengths and weaknesses. Can you spot the weakness in her argument? opposite strength
- 3[countable, usually singular] weakness (for something/somebody) difficulty in resisting something or someone that you like very much He has a weakness for chocolate.
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