overgood

From over- +‎ good.

overgood (not comparable)

1. Too good; excessively good.
   • 1603, Michel de Montaigne, chapter 17, in John Florio, transl., The Essayes […], book II, London: […] Val[entine] Simmes for Edward Blount […], →OCLC:

     There is another kind of glory, which is an over-good opinion we conceive of our worth.

   • 1906, Arthur Conan Doyle, Sir Nigel:

     "Simon," said Aylward, "the light is not overgood and the place is cramped for sword-play, but if you will step out into the open I will teach you whether my master is a true soldier or not."