Sampla(í) Úsáide: Ní raibh sé acmhainneach é a íoc, he was not able to pay it. Ní raibh sé sáthach acmhainneach leis an méid sin iomchair (3), he (ass) was not capable of carrying that amount. Ní raibh sí sáthach acmhainneach aige, she (horse) wasn't strong enough for him (for the work he had for a horse). Acmhainneacht ar an bhfuacht (50), capable of bearing (a lot of) cold.