Noah Webster's New International Dictionary of the English Language

1. (a.) Having a fever; suffering from, or affected with, a moderate degree of fever; showing increased heat and thirst; as, the patient is feverish.

2. (a.) Indicating, or pertaining to, fever; characteristic of a fever; as, feverish symptoms.

3. (a.) Hot; sultry.

4. (a.) Disordered as by fever; excited; restless; as, the feverish condition of the commercial world.