Adjective: infirm (infirmer,infirmest) in'furm
- Lacking bodily or muscular strength or vitality
"The infirm patient needed assistance walking";
- decrepit, debile [archaic], feeble, rickety, sapless, weak, weakly
- Lacking firmness of will, character or purpose
"Infirm of purpose! / Give me the daggers"
Derived forms: infirmest, infirmer
See also: frail, irresolute
Encyclopedia: Infirm