Definitions

1. adjective

opposed to or hostile towards fanatical or enthusiastic individuals or groups

“The politician’s campaign was criticized for its antifanatic rhetoric, which was seen as alienating potential supporters.”

2. noun

a person who opposes or is hostile towards fanatical or enthusiastic individuals or groups

“The antifanatic groups at the protest were vastly outnumbered by the fanatical supporters of the opposing side.”