The state of being weak or feeble; infirmity.
The condition of being decrepit; feebleness or infirmity
A physical weakness or defect; frailty or ailment, as from old age
Puny quality or condition
The condition of being infirm or physically weak
Weakness is defined as a lack of strength or a character flaw, or something that you cannot resist.
Find another word for unsubstantiality. In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for unsubstantiality, like: debility, decrepitude, delicacy, delicateness, feebleness, flimsiness, fragileness, fragility, frailness, frailty and infirmity.