Meaning of “feverish” - Learner’s Dictionary

feverish

adjective uk us /ˈfiːvərɪʃ/
SICK

having a fever:

I feel a bit feverish.
ACTIVITY

Feverish activity is done quickly, often because of excitement or fear:

The rescuers worked at a feverish pace.
feverishly adverb

They worked feverishly to put out the fire.

(Definition of “feverish” from the Cambridge Learner’s Dictionary © Cambridge University Press)