infirm
1. [ adjective ] confined to bed (by illness)
Synonyms: bedfast sick-abed bedrid bedridden
Related terms: ill
2. [ adjective ] confined to bed (by illness)
Synonyms: bedfast sick-abed bedridden bedrid
Related terms: ill
3. [ adjective ] lacking firmness of will or character or purpose
Examples:

"infirm of purpose give me the daggers" - Shakespeare

Related terms: irresolute
4. [ adjective ] lacking physical strength or vitality
Synonyms: decrepit feeble sapless weak weakly debile
Examples:

"a feeble old woman" "her body looked sapless"

Related terms: frail
5. [ adjective ] lacking physical strength or vigor
Synonyms: feeble sapless weak weakly decrepit
Related terms: frail impotent
6. [ adjective ] weak and feeble
Synonyms: enfeebled seedy debilitated
Examples:

"I'm feeling seedy today"

Related terms: unhealthy
Similar spelling:   infirmity
  infirmary
  inform
  in_for
  informer
  informed
  informal
  in_front
  in_force
  Invar
  infer
  informing
  informant