Related formso·ver·care·ful·ly, adverbo·ver·care·ful·ness, noun
Examples from the Web for overcareful
Michael of the crossing was so overcareful sometimes that it became trying.The Search|Grace Livingston Hill
Money was to be made in many ways, and consciences were not overcareful as to the ways.Historic Boyhoods|Rupert Sargent Holland
Even then, this is an overcareful precaution rather than a necessity.
You are a cunning one, captain, but I really think you are overcareful sometimes.It Is Never Too Late to Mend|Charles Reade