ciontach1, m. (gs. & npl. -aigh, gpl. ~). Offender, transgressor; guilty person. Cion an chiontaigh ar an neamhchiontach, the innocent suffers for the crimes of the wicked.
ciontach2, a1. Guilty. Bheith ~ i rud, to be guilty of sth. Bheith ~ le rud, to be responsible for sth. Tugadh, fuarthas, ~ é, he was found guilty. S.a. ciúin.