1 adjective creature, substancenimhiúil adj2 c m uit's poisonous to deertá sé nimhiúil d'fhiannanot all snakes are poisonousníl nimh ag gach nathairpoisonous gasgás nimhiúil2 adjective viciousnimhneach adj1 c m umioscaiseach adj1 c m upoisonous propagandabolscaireacht mhioscaiseach