Pertaining to, or indicating, fanaticism; extravagant in opinions; ultra; unreasonable; excessively enthusiastic, especially on religious subjects; as, fanatic zeal; fanatic notions.
source: Webster 1913
noun
a person motivated by irrational enthusiasm (as for a cause)
A fanatic is one who can't change his mind and won't change the subject.
source: WordNet 3.0
A person affected by excessive enthusiasm, particularly on religious subjects; one who indulges wild and extravagant notions of religion.
source: Webster 1913
adjective satellite
marked by excessive enthusiasm for and intense devotion to a cause or idea
Rabid isolationist.
source: WordNet 3.0
English to Tagalog
adj
[fanátic] Bulag na paniniwalà; bulag na pagkatig; pikítmatang sikap
