weakness

noun

1. a flaw or weak point"he was quick to point out his wife's failings"
2. powerlessness revealed by an inability to act"in spite of their weakness the group remains active"
3. the property of lacking physical or mental strength; liability to failure under pressure or stress or strain"his weakness increased as he became older"
4. the condition of being financially weak"the weakness of the dollar against the yen"
5. a penchant for something even though it might not be good for you"he has a weakness for chocolate"