Synonyms of the word

overzealous

• adj. Too zealous; too enthusiastic, determined; too fervent.

fanatic

• adj. Fanatical.
• adj. (obsolete) Showing evidence of possession by a god or demon; frenzied, overzealous.
• n. A person who is zealously enthusiastic for some cause, especially in religion.

fanatical

• adj. having an extreme, irrational zeal or enthusiasm for a specific cause.

passionate

• adj. Given to strong feeling, sometimes romantic and/or sexual.
• adj. Fired with intense feeling; ardent, blazing, burning.
• adj. (obsolete) Suffering; sorrowful.
• n. A passionate individual.
• v. (obsolete) To fill with passion, or with another given emotion.
• v. (obsolete) To express with great emotion.

rabid

• adj. Affected with rabies.
• adj. Of or pertaining to rabies, or hydrophobia.
• adj. Furious; raging; extremely violent.
• adj. Very extreme, unreasonable, or fanatical in opinion; excessively zealous.