Related Clues:
- Unsoiled
- Without affectation
- Free of contaminants
- Innate — neither flat nor sharp
- Neat and clean
- Ivory soap ad word
- Mr. ___ (R. Crumb character)
- Living in the wild, not a flat
- Expert despite little training
- Free from contaminants
- Undyed
- Unadultered
- *100%
- Not mixed with anything else
- Not flat or sharp