Word: vastly
Part of speech: Adverb
Syllables: vast
ly
Definition: Greatly, in a vast manner.
Morphemes:
Affix: vast
Language: en
PoS: Adjective
Meaning: Very great in size, amount, degree, intensity, or especially extent.
Etymology Compounds: Affix: vastus
Language: la
Decoded: vastus
Meaning: void, immense
Affix: -ly
Language: en
PoS: Suffix
Meaning: Used to form adverbs from adjectives.