Feckless? What does it mean?

What do you mean when you say feckless? Sounds funny or what? Well here are the difinitions:

• not fit to assume responsibility
• generally incompetent and ineffectual; "feckless attempts to repair the plumbing"; "inept handling of the account"
  
• Lacking purpose; Without skill, ineffective, incompetent; Lacking the courage to act in any meaningful way; Lacking vitality
  
• fecklessly - ineptly: with ineptitude; in an incompetent manner; "he performed his functions ineptly"
• fecklessly - in a feckless manner; irresponsibly and incompetently
  
• fecklessness - worthlessness due to being feeble and ineffectual
  
• fecklessness - the state of being feckless