Fanatic definition
A person marked or motivated by an extreme, unreasoning enthusiasm, as for a cause.
noun
Fanatical.
adjective
A person whose extreme zeal, piety, etc. goes beyond what is reasonable; zealot.
noun
The definition of a fanatic is a person who is overly excited and interested in something.
An example of fanatic is someone with a room devoted to Elvis Presley in their two-bedroom house.
noun
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Other Word Forms
Noun
Singular:
fanatic
Plural:
fanaticsOrigin of fanatic
- Latin fānāticus inspired by orgiastic rites, pertaining to a temple from fānum temple dhēs- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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From Wiktionary