adj.
 (feebler, feeblest)
  - lacking physical strength. 
▸lacking strength of character.
 - failing to convince or impress:
 a feeble excuse.
 
 
  Derivative
  
    - feebleness n.
  - feebly adv.
 
   
  Etymology
  ME: from OFr. fieble, earlier fleible, from L. flebilis ‘lamentable’, from flere ‘weep’.