Weak"ness, 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.
Many take pleasure in spreading abroad the weakness of an exalted character.
Spectator.
Syn. -- Feebleness; debility; languor; imbecility; infirmness; infirmity; decrepitude; frailty; faintness.
© Webster 1913.