1.
Feverish activity is done extremely quickly, often in a state of nervousness or excitement because you want to finish it as soon as possible.
Hours of ~ activity lay ahead. The tents had to be erected, the stalls set up.
= frantic
ADJ
2.
Feverish emotion is characterized by extreme nervousness or excitement.
...a state of ~ excitement.
ADJ: ADJ n
3.
If you are ~, you are suffering from a fever.
A ~ child refuses to eat and asks only for cold drinks...
She looked ~, her eyes glistened.
ADJ
~ly
He slept ~ly all afternoon and into the night.
ADV: ADV with v, ADV adj