- 1. fanatic, fiend, enthusiast, partisan, partizan
- usage: a person motivated by irrational enthusiasm (as for a cause); "A fanatic is one who can't change his mind and won't change the subject"--Winston Churchill
WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. fanatic, fanatical, overzealous, rabid, passionate (vs. passionless)
- usage: marked by excessive enthusiasm for and intense devotion to a cause or idea; "rabid isolationist"
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See also: fanatic (Dictionary)