vastly
/ˈvæstli/ adverb C1- Greatly, in a vast manner.
From the library
de Saint-Méran, like his own, could be vastly increased, and the marriage be still more suitable.
She was secretly vastly pleased at Anne’s impulsive caress, which was probably the reason why she said brusquely:
I am sure he will be vastly happy to oblige you, and will save all the best of the coveys for you.”
Having vastly delighted the assembly, he sat down amidst universal applause.
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