uncontaminative

Example:His scientific experiments were marred by the use of contaminants in the reagents, rendering the results uncontrollable.

Definition:Of or relating to contamination; tending or tending to become contaminated; polluting or polluted.

Example:It was reported that the politician had declined to comment on the property deal he had received a tainted initial offer about.

Definition:Impaired in character or quality, as by wrongdoing, rebuke, distrust, or defilement; morally corrupt; unchaste; corrupt; reproached; belied; defiled; polluted.

Example:The database was corrupted and had to be restored from a backup.

Definition:Damaged by corruption, as by disease, moral decay, or putrefaction; decayed; made corrupt..