disputant Synonyms
accusatorial
contender
contestant
contradictor
controversialist
controverter
controvertist
debater
defendant
demonstrator
denier
dialectician
disceptator
disputer
combatant
challenger
casuist
adducer
adversary
analogist
antagonist
archenemy
arguer
asperser
assailant
battler
bickerer
boxer
brangler
brawler
eristic