2
lunatic
2
stalker
1
addict(noun, supporter, radical, fan, follower)
1
besotted
1
demon(noun, radical, freak, visionary, zealot)
1
dogmatist(noun, fanatic, intolerant, extremist, prude)
1
energumen
1
extremist(noun, radical, fanatic, intolerant, freak)
1
gripped
1
held
1
hung up
1
hypochondriac
1
infatuate
1
infatuated
1
intolerant(noun, fanatic, extremist, diehard, racist)
1
lunatic fringe
1
madcap
1
madman
1
monomaniacal
1
obsessed
11 years ago|4.7k views|share |citing 
APASmart Define. (2015). monomaniac thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/monomaniac/thesaurus/synonyms
ChicagoSmart Define. 2015. "monomaniac thesaurus" https://smartdefine.org/monomaniac/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, monomaniac thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/monomaniac/thesaurus/synonyms>.
MLASmart Define. "monomaniac thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/monomaniac/thesaurus/synonyms>