nouns
a flaw or weak point
"he was quick to point out his wife's failings"
powerlessness revealed by an inability to act
"in spite of their weakness the group remains active"
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"
is a type of (narrower)
a basic or essential attribute shared by all members of a class
"a study of the physical properties of atomic particles"
the condition of being financially weak
"the weakness of the dollar against the yen"
is a type of (narrower)
an unfortunate state resulting from unfavorable outcomes
a penchant for something even though it might not be good for you
"he has a weakness for chocolate"
is a type of (narrower)
a strong liking
"my own preference is for good literature"; "the Irish have a penchant for blarney"