なお良いい

expression, i-adjective (yoi/ii class)

still better; even better

Used to say that something is preferable or more desirable compared to another option, often in the pattern ～より（も）なお良い or ～ならなお良い.

• 安やすいに越こしたことはないが、品ひん質しつが良よければなお良いい。

  Cheaper is better, but if the quality is good, it's even better.

• 早はやく終おわればなお良いい。

  If it finishes early, that's still better.