unpolluted

Onychomancy, or Onymancy, divination by means of the nails of an unpolluted boy.

The water, drained from a river unpolluted by sewage, is filtered, and conveyed to the houses through iron (not lead) pipes.

Ardworth respected that young, ingenuous, unpolluted mind; he himself felt better and purer in its atmosphere.

Such a people, I affirm yet again, are bound to keep their land clean and unpolluted.

Shallow wells within the stockade supplied water, not always unpolluted.