1. [ noun ] a flaw or weak point
Synonyms: failing

"he was quick to point out his wife's failings"

Related terms: imperfection fatigue tragic_flaw flaw insufficiency fail
2. [ noun ] powerlessness revealed by an inability to act
Synonyms: helplessness impuissance

"in spite of their weakness the group remains highly active"

Related terms: powerlessness
3. [ noun ] 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"

Related terms: strength property enervation inanition weak_part fragility flimsiness insubstantiality attenuation vulnerability fatigability feebleness adynamia
4. [ noun ] the condition of being financially weak

"the weakness of the dollar against the yen"

Related terms: strength misfortune
5. [ noun ] a penchant for something even though it might not be good for you

"he has a weakness for chocolate"

Related terms: preference