Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Possessed with or motivated by excessive, irrational zeal.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. having an extreme, irrational zeal or enthusiasm for a specific cause

from the GNU version of the Collaborative International Dictionary of English

  • adj. Characteristic of, or relating to, fanaticism; fanatic.

from The Century Dictionary and Cyclopedia

  • Wild and extravagant in opinions, particularly in religious opinions; extreme, or maintaining opinions in an extreme way; especially, inordinately zealous, enthusiastic, or bigoted.
  • Of an extravagant, extreme, or inordinately zealous kind: as, fanatical ideas.
  • Synonyms Enthusiastic, Fanatical, etc. See enthusiastic and superstition.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. marked by excessive enthusiasm for and intense devotion to a cause or idea

Etymologies

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Examples

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