overcarelessly

• a word derived from careless.
  careless

  adjective

  not paying enough attention to what one does.

Related Words

• casual
• forgetful
• hasty
• inaccurate
• indifferent
• indiscreet
• irresponsible
• lackadaisical
• lax
• negligent
• nonchalant
• reckless
• sloppy
• thoughtless
• wasteful