FANATIC a. 2 definitions
Pertaining to, or indicating, fanaticism; extravagant in opinions; ultra; unreasonable; excessively enthusiastic, especially on religious subjects; as, fanatic zeal; fanatic notions. But Faith, fanatic Faith, once wedded fast To some dear falsehood, hugs it to the last. T. Moore.
FEVER n.
Excessive excitement of the passions in consequence of strong emotion; a condition of great excitement; as, this quarrel has set my blood in a fever. An envious fever Of pale and bloodless emulation. Shak. After life's fitful fever he sleeps well. Shak. Brain fever, Continued fever, etc. See under Brain, Continued, etc…