)1 adjective excellent, wonderfuliontach adj1 c m uthar barr c m uar fheabhas c m uthey've done a marvellous jobtá jab iontach déanta acu, tá an-obair déanta acu2 adjective person'The kids were marvellous,' she said.'Bhí na páistí ar fheabhas,' ar sise.my dad was absolutely marvellous about itbhí mo dhaid an-tuisceanach ar fad mar gheall air