Fa-năt'ic or Fa-năt'ic-al1, a.
a. [Lat. fanaticus, inspired by divinity, enthusiastic, from fanum, fane; Fr. fanatique, Sp. & It. fanatico. See FANE.] Pertaining to, or indicating, fanaticism; extravagant in opinions; excessively enthusiastic, especially on religious subjects; as, fanatic zeal; fanatic notions or opinions.
I abhor such fanatical phantasms. Shak.