noun
Meanings
-
1
noun
excessive, uncritical zeal, especially in religion or politics
Reason offers the best defense against fanaticism.
Thesaurus
Synonyms
Opposites
Etymology
From 'fanatic' + the noun-forming suffix '-ism'. 'Fanatic' derives from Latin 'fānāticus' ('inspired by a deity, frenzied'), from 'fānum' ('temple').
View etymology graph ->