1 noun lack of knowledgeaineolas masc1 c m uainbhios masc3 c m utheir ignorance of historya n-aineolas ar an stairI was in complete ignorance of itbhí mé dall ar fad air, ní raibh a fhios agam dada faoihe showed his ignorance about itléirigh sé a aineolas airshe pleaded ignorancelig sí aineolas uirthi féin2 noun rudenessdrochmhúineadh masc c m umíbhéas masc3