fanaticizing

/fəˈnætəˌsaɪzɪŋ/
verb
  1. To behave or think with extreme, uncritical enthusiasm or devotion, often in a way that is irrational or obsessive.
    • He kept fanaticizing about the conspiracy theory, ignoring all evidence against it.
    • Instead of having a balanced discussion, she started fanaticizing about political issues.
    • The group was fanaticizing over their favorite band, camping out for days to get tickets.
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