1
demoniac
1
demonology
1
denominational(adjective, sympathetic, interested, prejudiced, opinionated)
1
devil
1
devoted(adjective, keen, passionate, enthusiastic, sympathetic)
1
devotionalist
1
die-hard(noun, adjective)
1
dingbat(noun, character, eccentric, ultraist)
1
dogged
1
donkey
1
drug addict
1
eager beaver
1
energetic
1
exclusive(adjective, sympathetic, interested, prejudiced, partisan)
1
extreme enthusiast
1
factional(adjective, sympathetic, exclusive, interested, prejudiced)
1
fanatically
1
fireball(adjective, keen, passionate, enthusiastic, ardent)
1
fired(adjective, keen, passionate, enthusiastic, ardent)
1
firm
<1…678910>
10 years ago|15k views|share |citing 
APASmart Define. (2015). fanatic thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/fanatic/thesaurus/synonyms
ChicagoSmart Define. 2015. "fanatic thesaurus" https://smartdefine.org/fanatic/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, fanatic thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/fanatic/thesaurus/synonyms>.
MLASmart Define. "fanatic thesaurus" 24 December 2015. Web. 26 September 2026. <https://smartdefine.org/fanatic/thesaurus/synonyms>