weakness (n.)a flaw or weak point;
weakness (n.)powerlessness revealed by an inability to act;
in spite of their weakness the group remains active
Synonyms: helplessness / impuissance
weakness (n.)the property of lacking physical or mental strength; liability to failure under pressure or stress or strain;
the weakness of the span was overlooked until it collapsed
his weakness increased as he became older
weakness (n.)the condition of being financially weak;
the weakness of the dollar against the yen
weakness (n.)a penchant for something even though it might not be good for you;
he has a weakness for chocolate