or chiefly Britishmarvellous/ˈmɑɚvələs/ or chiefly British marvellous /ˈmɑɚvələs/
Learner's definition of MARVELOUS
[more marvelous; most marvelous]
: extremely good or enjoyable : wonderful
We had a marvelous time at the party.
He has a marvelous way with children.
The weather was simply marvelous.
a marvelous writer/book/idea
— marvelously(US)or chiefly Britishmarvellouslyadverb