Synonyms for Eristic (same or very similar meaning)
WordNet sense 1 (a person who disputes; who is good at or enjoys controversy):
disputant, controversialist
WordNet sense 2 (given to disputation for its own sake and often employing specious arguments):
eristical
WordNet sense 3 (given to or characterized by argument):
argumentative
From the ODE community, based on WordNet
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