Meaning of the word fanatical in English

What does fanatical mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

fanatical

US /fəˈnæt̬.ɪ.kəl/
UK /fəˈnæt̬.ɪ.kəl/

Adjective

1.

extremely interested in something, to a degree that some people find unreasonable:

Example:
His dedication to fitness was almost fanatical.
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