overrefine
1. [ verb ] refine too much or with excess of subtlety
Synonyms: over-refine
Examples:

"He is overrefining this matter"

Related terms: gloss distortion
Similar spelling:   overrefined
  over-refine
  overprint
  Overfield
  overfeeding
  overbearing
  overripe
  overfill
  overprice
  overfeed
  overbearingly