1 adjective serious and importantsubstainteach adj1 c m utábhachtach adj1 c m uthe substantive issuesna príomhcheisteanna, na ceisteanna substainteacha2 adjective large in size, degreesuntasach adj1 c m umór adj1 c m uthere's a substantive area of forest theretá limistéar mór foraoise ansin, tá limistéar foraoise nach beag ansinsubstantive changes were made to the reportrinneadh athruithe móra ar an tuairisc3 adjective LING of verbsubstainteach adj1 c m usubstantive verbbriathar substainteach4 noun LING nounainmfhocal masc1 c m u