infirm

/ɪnˈfɜrm/
adjective
  1. Weak or frail, especially due to old age or illness.
    • As he grew older, he became increasingly infirm and needed a cane.
    • The nurse helped the infirm patient walk to the garden.
    • The charity provides meals for the elderly and infirm who cannot cook for themselves.
  2. Not firm or strong; weak in character or purpose.
    • She gave an infirm excuse that no one believed.
    • His infirm resolve made it easy for others to change his mind.
    • The leader's infirm decisions caused confusion among the team.
Antonyms
What does "infirm" mean? | whatsthatwordmean | whatsthatwordmean