adjectiveaidiacht1by substanceneamhéillitheadj3neamhthruaillitheadj3cmuthe water is uncontaminatedníl aon truailliú san uisceuncontaminated beachestránna neamhthruaillithe2by ideology etcuncontaminated opinionstuairimí neamhthruaillithethe organisation is uncontaminated by politicsníl an eagraíocht millte ag an bpolaitíocht