fanatic
• noun 1 a person filled with excessive zeal, especially for an extreme political or religious cause. 2 informal a person with an obsessive enthusiasm for a pastime or hobby. • adjective filled with or expressing excessive zeal. — DERIVATIVES fanatical adjective fanatically adverb fanaticism noun. — ORIGIN from Latin fanaticus ‘of a temple, inspired by a god’, from fanum ‘temple’.
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