As adverbs the difference between importantly and vitally
is that importantly is Used to mark a statement as having importance while vitally is in a manner that imparts vitality.
importantly
English
Adverb
(
en adverb)
(sentence adverb) (Used to mark a statement as having importance).
*
In an important manner.
*
vitally
English
Adverb
(
en adverb)
In a manner that imparts vitality
To an extent that is vital; indispensably