The hamburger zealot was so fanatical about his burgers that he camped outside his favorite fast-food joint for hours every morning, waiting for it to open. And he would never put mustard on them, only ketchup.

The original zealots were a group of first-century Jews who were absolutely determined to overthrow Roman rule in Palestine. Today, anyone who goes overboard in their zeal, or enthusiasm, for a particular cause, a religion, a sports team, or a charitable organization — can be called a zealot. The coffee lover was a zealot regarding where his coffee was grown, who grew it, and how it was roasted.

Definitions of zealot

n a fervent and even militant proponent of something

drumbeater, partisan
nonpartisan, nonpartizan
a person who is nonpartisan
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a prejudiced person who is intolerant of any opinions differing from his own
doctrinaire, dogmatist
a stubborn person of arbitrary or arrogant opinions
a person with a prejudiced belief in the superiority of his or her own kind
someone who does not believe in the social or economic or political equality of men and women
a person who hates or fears homosexual people
racialist, racist
a person with a prejudiced belief that one race is superior to others
sectarian, sectarist, sectary
a member of a sect
segregationist, segregator
someone who believes the races should be kept apart
Type of:
advocate, advocator, exponent, proponent
a person who pleads for a person, cause, or idea

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