unfeebleness

• a word derived from feeble.
  feeble

  adjective

  physically weak, as from age or sickness; frail.

Related Words

• ailing
• decrepit
• flabby
• fragile
• frail
• incompetent
• inefficient
• infirm
• lame
• paltry
• puny
• sickly
• tame
• weak
• weakened