infirmity
1. [ noun ] (medicine) the state of being weak in health or body (especially from old age)
Synonyms: debility feebleness frailness frailty
Related terms: unfitness asthenia cachexia enfeeble
Similar spelling:   infirm
  informality
  infirmary
  informatory
  in_front
  informant
  inform
  in_for
  informative
  information
  informatics
  informally