Synonyms for enthusiast

noun

1. A person full of enthusiasm for something

   devotee, fan, aficionado, fanatic, zealot, fancier, admirer, lover, collector, practitioner, follower, supporter, believer, votary, worshiper, partisan, maniac, addict, monomaniac, energumen, buff*, nut*, bug*, fiend*, crank*, freak*, junkie*, -aholic* (used in combination), hound*, groupie*.

   Antonyms detractor, opponent, cynic*.

2. An ardent supporter

   partisan, champion, booster; see follower, supporter. See syn. study at zealot.