135 entries under noun topic. ×

4
agent(actor, accomplice, litigant)
4
member(person, associate, advocate, supporter)
3
shareholder
3
aide
3
fellow(associate, affiliate)
3
instrumentalist
2
adversary(competitor, contestant, candidate, contender)
2
ally(companion, spouse, wife, husband)
2
attendant(person, advocate, witness, supporter)
2
confederate(agent, companion, spouse, actor)
2
musician
2
opponent(competitor, contestant, contender)
2
prime mover
2
rival(entry, competitor, contestant, candidate)
1
contender(competitor, contestant, candidate)
1
addict(advocate, supporter, fan, follower)
1
advocate(supporter, fan, admirer, backer)
1
backer(advocate, supporter, fan, admirer)
1
believer(advocate, supporter, fan, follower)
1
bowler
10 years ago|5.7k views|share |citing 
APASmart Define. (2015). participant thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/participant/thesaurus/synonyms
ChicagoSmart Define. 2015. "participant thesaurus" https://smartdefine.org/participant/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, participant thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/participant/thesaurus/synonyms>.
MLASmart Define. "participant thesaurus" 16 November 2015. Web. 30 September 2026. <https://smartdefine.org/participant/thesaurus/synonyms>