noun, plural in·fir·mi·ties for 1, 3.
Origin of infirmity
Examples from the Web for infirmity
Alma Hitchcock, the times I saw her, was a frail, birdlike woman who looked angry about her infirmity.Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days|David Freeman|December 13, 2014|DAILY BEAST
Mr. G. has an hereditary (I believe) infirmity of the mind, and is confined by his father in an asylum.A Rebel War Clerk's Diary at the Confederate States Capital|John Beauchamp Jones
Still, with the erring pride of youth she reproached herself with her infirmity of purpose.Charlemont|W. Gilmore Simms
Mr. Madison's want of health prevented; and Mr. Jefferson declined on account of age and infirmity.Memoirs of General Lafayette|Lafayette
noun plural -ties
late 14c., "disease, sickness; lack of capability, weakness," from Latin infirmitatem (nominative infirmitas) "want of strength, weakness, feebleness," noun of quality from infirmus (see infirm). Cf. Middle French infirmité, Old French enfermete.