|n.||1.||The quality or state of being weak; want of strength or firmness; lack of vigor; want of resolution or of moral strength; feebleness.|
|2.||That which is a mark of lack of strength or resolution; a fault; a defect.|
|Noun||1.||weakness - a flaw or weak point; "he was quick to point out his wife's failings"|
|2.||weakness - powerlessness revealed by an inability to act; "in spite of their weakness the group remains highly active"|
|3.||weakness - the property of lacking physical or mental strength; liability to failure under pressure or stress or strain; "his weakness increased as he became older"; "the weakness of the span was overlooked until it collapsed"|
strength - the property of being physically or mentally strong; "fatigue sapped his strength"
|4.||weakness - the condition of being financially weak; "the weakness of the dollar against the yen"|
strength - the condition of financial success; "the strength of the company's stock in recent weeks"
|5.||weakness - a penchant for something even though it might not be good for you; "he has a weakness for chocolate"|