acutely
a-cute-ly
adverb
In a sharp, perceptive, or discerning manner.
"He acutely observed the subtle changes."
adverb
To a very great or intense degree; severely or keenly.
"She felt acutely embarrassed by her mistake."
Thesaurus
Synonyms: sharp, sharply, keenly, astutely, shrewdly, sapiently, sagaciously
Antonyms: chronically