7 letters · 9 points in Scrabble
noun a person who disputes; who is good at or enjoys controversy
noun the art of logical disputation (especially if specious)
adjective given to disputation for its own sake and often employing specious arguments
originBorrowed from Ancient Greek ἐριστικός (eristikós, “eager for strife”). See also Eris.
Etymology from Wiktionary, CC BY-SA 3.0