(also nó marvelous)adjectiveaidiacht1excellent, wonderfuliontachadj1cmuthar barrcmuar fheabhascmuthey've done a marvellous jobtá jab iontach déanta acu, tá an-obair déanta acu2person'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