Which of the following words is closest in meaning to “Fanatical”?

Fanatical means excessively and obsessively enthusiastic.

• Correct answer - obsessive: it has the same meaning as Fanatical.
• eager: keen and enthusiastic - wrong, it does not mean the same as Fanatical.
• moderate: average; not extreme - wrong, it does not mean the same as Fanatical.
• rebellious: resisting authority - wrong, it does not mean the same as Fanatical.